| APA | OOAA. (2012, February 16). In Acronym Geek. Retrieved 04:11, February 16, 2012, from http://www.acronymgeek.com/OOAA |
| MLA | "OOAA." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/OOAA>. |
| MHRA | 'OOAA', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/OOAA> [accessed 16 February 2012] |
| Chicago | "OOAA", http://www.acronymgeek.com/OOAA (accessed February 16, 2012). |
| CBE/CSE | OOAA [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/OOAA. |
| Bluebook | OOAA, http://www.acronymgeek.com/OOAA (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OOAA, http://www.acronymgeek.com/OOAA (optional description here) (as of Feb. 16, 2012, 04:11). |
| AMA | OOAA. Acronym Geek. February 16, 2012, 04:11. Available at: http://www.acronymgeek.com/OOAA. Accessed February 16, 2012, 04:11. |