Page URL:
https://www.etymonline.com/word/p.a.
HTML Link:
<a href="https://www.etymonline.com/word/p.a.">Etymology of p.a. by etymonline</a>
APA style:
Harper, D. (n.d.). Etymology of p.a.. Online Etymology Dictionary. Retrieved $(datetime), from https://www.etymonline.com/word/p.a.
Chicago style:
Harper Douglas, “Etymology of p.a.,” Online Etymology Dictionary, accessed $(datetime), https://www.etymonline.com/word/p.a..
MLA style:
Harper, Douglas. “Etymology of p.a..” Online Etymology Dictionary, https://www.etymonline.com/word/p.a.. Accessed $(datetimeMla).
IEEE style:
D. Harper. “Etymology of p.a..” Online Etymology Dictionary. https://www.etymonline.com/word/p.a. (accessed $(datetime)).