Answer
References
American Psychological Association. (n.d.). Home [Facebook page]. Facebook. Retrieved February 20, 2020, from https://www.facebook.com/AmericanPsychologicalAssociation/
Parenthetical citation: (American Psychological Association, n.d.)
Narrative citation: American Psychological Association (n.d.) is "the leading scientific and professional organization representing psychology in the United States."
Visit the APA style website for more guidance.