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