apa style - SERP Analysis

https://apastyle.apa.org/

https://owl.purdue.edu/owl/research_and_citation/apa_style/apa_formatting_and_style_guide/general_format.html

https://en.wikipedia.org/wiki/APA_style

https://owl.excelsior.edu/citation-and-documentation/apa-style/

https://www.scribbr.com/citation/generator/apa/

https://www.mybib.com/tools/apa-citation-generator