| APA | OCCG. (2012, February 16). In Acronym Geek. Retrieved 11:40, February 16, 2012, from http://www.acronymgeek.com/OCCG |
| MLA | "OCCG." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/OCCG>. |
| MHRA | 'OCCG', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/OCCG> [accessed 16 February 2012] |
| Chicago | "OCCG", http://www.acronymgeek.com/OCCG (accessed February 16, 2012). |
| CBE/CSE | OCCG [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/OCCG. |
| Bluebook | OCCG, http://www.acronymgeek.com/OCCG (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OCCG, http://www.acronymgeek.com/OCCG (optional description here) (as of Feb. 16, 2012, 11:40). |
| AMA | OCCG. Acronym Geek. February 16, 2012, 11:40. Available at: http://www.acronymgeek.com/OCCG. Accessed February 16, 2012, 11:40. |