| APA | OCCE. (2012, February 15). In Acronym Geek. Retrieved 12:33, February 15, 2012, from http://www.acronymgeek.com/OCCE |
| MLA | "OCCE." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/OCCE>. |
| MHRA | 'OCCE', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/OCCE> [accessed 15 February 2012] |
| Chicago | "OCCE", http://www.acronymgeek.com/OCCE (accessed February 15, 2012). |
| CBE/CSE | OCCE [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/OCCE. |
| Bluebook | OCCE, http://www.acronymgeek.com/OCCE (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OCCE, http://www.acronymgeek.com/OCCE (optional description here) (as of Feb. 15, 2012, 12:33). |
| AMA | OCCE. Acronym Geek. February 15, 2012, 12:33. Available at: http://www.acronymgeek.com/OCCE. Accessed February 15, 2012, 12:33. |