How to draw vertex function Feynman diagram

You can obtained your drawing using Mathcha https://www.mathcha.io/editor... if you have no experience with the packages that you have mentioned.

%% Compile and read me!
documentclass[a4paper,12pt]{article}
usepackage{amssymb}
usepackage{tikz}
begin{document}
tikzset{every picture/.style={line width=0.75pt}} %set default line width to 0.75pt        

begin{tikzpicture}[x=0.75pt,y=0.75pt,yscale=-1,xscale=1]
%uncomment if require: path (0,419); %set diagram left start at 0, and has height of 419

%Shape: Wave [id:dp86152123318] 
draw   (213.52,105.48) .. controls (217.6,109.82) and (221.51,113.95) .. (226.03,113.94) .. controls (230.56,113.94) and (234.45,109.79) .. (238.52,105.44) .. controls (242.58,101.08) and (246.48,96.94) .. (251,96.93) .. controls (255.52,96.92) and (259.43,101.05) .. (263.52,105.39) .. controls (267.6,109.73) and (271.51,113.86) .. (276.03,113.85) .. controls (280.56,113.84) and (284.45,109.69) .. (288.52,105.34) .. controls (292.58,100.99) and (296.48,96.84) .. (301,96.83) .. controls (305.52,96.82) and (309.43,100.95) .. (313.52,105.29) .. controls (317.6,109.63) and (321.51,113.76) .. (326.03,113.75) .. controls (330.56,113.74) and (334.45,109.6) .. (338.52,105.24) .. controls (342.58,100.89) and (346.48,96.74) .. (351,96.74) .. controls (355.52,96.73) and (359.43,100.86) .. (363.52,105.2) .. controls (367.6,109.54) and (371.51,113.67) .. (376.03,113.66) .. controls (377.95,113.65) and (379.76,112.9) .. (381.51,111.71) ;
%Straight Lines [id:da27216730598644623] 
draw    (174,56) -- (306.5,222) ;
%Straight Lines [id:da8990246920217928] 
draw    (413.5,63) -- (306.5,222) ;
%Shape: Triangle [id:dp5517190725607068] 
draw  [fill={rgb, 255:red, 0; green, 0; blue, 0 }  ,fill opacity=1 ] (203.12,91.77) -- (180.2,80) -- (195.78,67.07) -- cycle ;
%Straight Lines [id:da14648823506129793] 
draw [color={rgb, 255:red, 80; green, 227; blue, 194 }  ,draw opacity=1 ][line width=1.5]    (204,48) -- (230.7,83.6) ;
draw [shift={(232.5,86)}, rotate = 233.13] [color={rgb, 255:red, 80; green, 227; blue, 194 }  ,draw opacity=1 ][line width=1.5]    (14.21,-6.37) .. controls (9.04,-2.99) and (4.3,-0.87) .. (0,0) .. controls (4.3,0.87) and (9.04,2.99) .. (14.21,6.37)   ;
%Shape: Triangle [id:dp7176971853762271] 
draw  [fill={rgb, 255:red, 0; green, 0; blue, 0 }  ,fill opacity=1 ] (251.69,152.8) -- (274.99,163.78) -- (259.85,177.23) -- cycle ;
%Straight Lines [id:da9552502312459754] 
draw [color={rgb, 255:red, 80; green, 227; blue, 194 }  ,draw opacity=1 ][line width=1.5]    (260,85) -- (331.5,84.04) ;
draw [shift={(334.5,84)}, rotate = 539.23] [color={rgb, 255:red, 80; green, 227; blue, 194 }  ,draw opacity=1 ][line width=1.5]    (14.21,-6.37) .. controls (9.04,-2.99) and (4.3,-0.87) .. (0,0) .. controls (4.3,0.87) and (9.04,2.99) .. (14.21,6.37)   ;
%Straight Lines [id:da375958037424136] 
draw [color={rgb, 255:red, 80; green, 227; blue, 194 }  ,draw opacity=1 ][line width=1.5]    (372,85) -- (395.83,49.49) ;
draw [shift={(397.5,47)}, rotate = 483.86] [color={rgb, 255:red, 80; green, 227; blue, 194 }  ,draw opacity=1 ][line width=1.5]    (14.21,-6.37) .. controls (9.04,-2.99) and (4.3,-0.87) .. (0,0) .. controls (4.3,0.87) and (9.04,2.99) .. (14.21,6.37)   ;
%Shape: Triangle [id:dp07412158877594588] 
draw  [fill={rgb, 255:red, 0; green, 0; blue, 0 }  ,fill opacity=1 ] (405.4,74.99) -- (399.97,100.17) -- (383.44,88.47) -- cycle ;
%Shape: Triangle [id:dp8166568288348335] 
draw  [fill={rgb, 255:red, 0; green, 0; blue, 0 }  ,fill opacity=1 ] (333.55,180.21) -- (339.39,155.12) -- (355.72,167.09) -- cycle ;
%Shape: Wave [id:dp9476756301086628] 
draw   (307.49,221.51) .. controls (300.83,225.58) and (294.49,229.48) .. (294.49,234.01) .. controls (294.49,238.53) and (300.83,242.43) .. (307.49,246.51) .. controls (314.15,250.58) and (320.49,254.48) .. (320.49,259.01) .. controls (320.49,263.53) and (314.15,267.43) .. (307.49,271.51) .. controls (300.83,275.58) and (294.49,279.48) .. (294.49,284.01) .. controls (294.49,288.53) and (300.83,292.43) .. (307.49,296.51) .. controls (314.15,300.58) and (320.49,304.48) .. (320.49,309.01) .. controls (320.49,313.53) and (314.15,317.43) .. (307.49,321.51) .. controls (300.83,325.58) and (294.49,329.48) .. (294.49,334.01) .. controls (294.49,337.6) and (298.49,340.79) .. (303.47,344) ;
%Straight Lines [id:da5308331624006375] 
draw [color={rgb, 255:red, 80; green, 227; blue, 194 }  ,draw opacity=1 ][line width=1.5]    (263,216) -- (228.42,174.31) ;
draw [shift={(226.5,172)}, rotate = 410.32] [color={rgb, 255:red, 80; green, 227; blue, 194 }  ,draw opacity=1 ][line width=1.5]    (14.21,-6.37) .. controls (9.04,-2.99) and (4.3,-0.87) .. (0,0) .. controls (4.3,0.87) and (9.04,2.99) .. (14.21,6.37)   ;
%Straight Lines [id:da4752000077572216] 
draw [color={rgb, 255:red, 80; green, 227; blue, 194 }  ,draw opacity=1 ][line width=1.5]    (377,176) -- (352.22,211.54) ;
draw [shift={(350.5,214)}, rotate = 304.89] [color={rgb, 255:red, 80; green, 227; blue, 194 }  ,draw opacity=1 ][line width=1.5]    (14.21,-6.37) .. controls (9.04,-2.99) and (4.3,-0.87) .. (0,0) .. controls (4.3,0.87) and (9.04,2.99) .. (14.21,6.37)   ;
%Straight Lines [id:da03259324569884825] 
draw [color={rgb, 255:red, 80; green, 227; blue, 194 }  ,draw opacity=1 ][line width=1.5]    (273.5,312) -- (273.5,252) ;
draw [shift={(273.5,249)}, rotate = 450] [color={rgb, 255:red, 80; green, 227; blue, 194 }  ,draw opacity=1 ][line width=1.5]    (14.21,-6.37) .. controls (9.04,-2.99) and (4.3,-0.87) .. (0,0) .. controls (4.3,0.87) and (9.04,2.99) .. (14.21,6.37)   ;

% Text Node
draw (249,272.4) node [anchor=north west][inner sep=0.75pt]    {$k$};
% Text Node
draw (227,196.4) node [anchor=north west][inner sep=0.75pt]    {$q$};
% Text Node
draw (382,189.4) node [anchor=north west][inner sep=0.75pt]    {$q-k$};
% Text Node
draw (218,34.4) node [anchor=north west][inner sep=0.75pt]    {$p$};
% Text Node
draw (340,37.4) node [anchor=north west][inner sep=0.75pt]    {$p+k$};
% Text Node
draw (276,59.4) node [anchor=north west][inner sep=0.75pt]    {$p+q$};


end{tikzpicture}

end{document}