| APA | OCP. (2012, February 8). In Acronym Geek. Retrieved 11:26, February 8, 2012, from http://www.acronymgeek.com/OCP |
| MLA | "OCP." Acronym Geek. (2012). Acronym Geek. 8 Feb 2012 <http://www.acronymgeek.com/OCP>. |
| MHRA | 'OCP', Acronym Geek, 8 February 2012, <http://www.acronymgeek.com/OCP> [accessed 8 February 2012] |
| Chicago | "OCP", http://www.acronymgeek.com/OCP (accessed February 8, 2012). |
| CBE/CSE | OCP [Internet]. Acronym Geek; 2012 Feb 8 [cited 2012 Feb 8]. Available from: http://www.acronymgeek.com/OCP. |
| Bluebook | OCP, http://www.acronymgeek.com/OCP (last visited February 8, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OCP, http://www.acronymgeek.com/OCP (optional description here) (as of Feb. 8, 2012, 11:26). |
| AMA | OCP. Acronym Geek. February 8, 2012, 11:26. Available at: http://www.acronymgeek.com/OCP. Accessed February 8, 2012, 11:26. |