| APA | OOD. (2012, February 10). In Acronym Geek. Retrieved 17:05, February 10, 2012, from http://www.acronymgeek.com/OOD |
| MLA | "OOD." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/OOD>. |
| MHRA | 'OOD', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/OOD> [accessed 10 February 2012] |
| Chicago | "OOD", http://www.acronymgeek.com/OOD (accessed February 10, 2012). |
| CBE/CSE | OOD [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/OOD. |
| Bluebook | OOD, http://www.acronymgeek.com/OOD (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OOD, http://www.acronymgeek.com/OOD (optional description here) (as of Feb. 10, 2012, 17:05). |
| AMA | OOD. Acronym Geek. February 10, 2012, 17:05. Available at: http://www.acronymgeek.com/OOD. Accessed February 10, 2012, 17:05. |