Questions to consider:
Your list of full citations starts on a new page at the end of your paper (continue page numbering from paper body), with the title: References, centered one inch from the top. Basic tips:
Example of a journal article from an online database in the library (note: hanging indent not shown here but must be included):
DeCamp, W., and Christopher F. (2017, February). The impact of degree of exposure to violent video games, family background, and other factors on youth violence. Journal of Youth & Adolescence, 46(2), 388-400. doi:10.1007/s10964-016-0561-8.