| APA | COPZ. (2012, February 15). In Acronym Geek. Retrieved 21:19, February 15, 2012, from http://www.acronymgeek.com/COPZ |
| MLA | "COPZ." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/COPZ>. |
| MHRA | 'COPZ', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/COPZ> [accessed 15 February 2012] |
| Chicago | "COPZ", http://www.acronymgeek.com/COPZ (accessed February 15, 2012). |
| CBE/CSE | COPZ [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/COPZ. |
| Bluebook | COPZ, http://www.acronymgeek.com/COPZ (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, COPZ, http://www.acronymgeek.com/COPZ (optional description here) (as of Feb. 15, 2012, 21:19). |
| AMA | COPZ. Acronym Geek. February 15, 2012, 21:19. Available at: http://www.acronymgeek.com/COPZ. Accessed February 15, 2012, 21:19. |