| APA | OCE. (2012, February 10). In Acronym Geek. Retrieved 17:50, February 10, 2012, from http://www.acronymgeek.com/OCE |
| MLA | "OCE." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/OCE>. |
| MHRA | 'OCE', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/OCE> [accessed 10 February 2012] |
| Chicago | "OCE", http://www.acronymgeek.com/OCE (accessed February 10, 2012). |
| CBE/CSE | OCE [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/OCE. |
| Bluebook | OCE, http://www.acronymgeek.com/OCE (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OCE, http://www.acronymgeek.com/OCE (optional description here) (as of Feb. 10, 2012, 17:50). |
| AMA | OCE. Acronym Geek. February 10, 2012, 17:50. Available at: http://www.acronymgeek.com/OCE. Accessed February 10, 2012, 17:50. |