How to use commas

this is mine, Sam, and Caden project it is about commas. The comic was drawn by Caden and me and Sam did the research

“Commas: Quick Rules.” Purdue Online Writing Lab, https://owl.purdue.edu/owl/general_writing/punctuation/commas/index.html 

             27 nov, 2020 

Shaw, Harry. McGraw-Hill Handbook of English, Second Canadian Edition. Toronto: McGraw-Hill Company of Canada Limited, 1969. Print.