| APA | OOG. (2012, February 15). In Acronym Geek. Retrieved 03:31, February 15, 2012, from http://www.acronymgeek.com/OOG |
| MLA | "OOG." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/OOG>. |
| MHRA | 'OOG', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/OOG> [accessed 15 February 2012] |
| Chicago | "OOG", http://www.acronymgeek.com/OOG (accessed February 15, 2012). |
| CBE/CSE | OOG [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/OOG. |
| Bluebook | OOG, http://www.acronymgeek.com/OOG (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OOG, http://www.acronymgeek.com/OOG (optional description here) (as of Feb. 15, 2012, 03:31). |
| AMA | OOG. Acronym Geek. February 15, 2012, 03:31. Available at: http://www.acronymgeek.com/OOG. Accessed February 15, 2012, 03:31. |