APA style is a citation style usually used in Psychology, Library and Information Science, and other fields. APA stands for the American Psychological Association. The 7th edition was published in 2019 and has significant changes from the 6th edition (2009).
"This video introduces the purpose and basic conventions of citing sources in-text and in a reference list using the American Psychological Association (APA) Style, 7th edition, 2019..." (CSUDH Library, 3:00).
APA citation requires two parts: