| APA | OECG. (2012, February 17). In Acronym Geek. Retrieved 02:18, February 17, 2012, from http://www.acronymgeek.com/OECG |
| MLA | "OECG." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/OECG>. |
| MHRA | 'OECG', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/OECG> [accessed 17 February 2012] |
| Chicago | "OECG", http://www.acronymgeek.com/OECG (accessed February 17, 2012). |
| CBE/CSE | OECG [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/OECG. |
| Bluebook | OECG, http://www.acronymgeek.com/OECG (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OECG, http://www.acronymgeek.com/OECG (optional description here) (as of Feb. 17, 2012, 02:18). |
| AMA | OECG. Acronym Geek. February 17, 2012, 02:18. Available at: http://www.acronymgeek.com/OECG. Accessed February 17, 2012, 02:18. |