| APA | OAI. (2012, February 10). In Acronym Geek. Retrieved 11:05, February 10, 2012, from http://www.acronymgeek.com/OAI |
| MLA | "OAI." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/OAI>. |
| MHRA | 'OAI', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/OAI> [accessed 10 February 2012] |
| Chicago | "OAI", http://www.acronymgeek.com/OAI (accessed February 10, 2012). |
| CBE/CSE | OAI [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/OAI. |
| Bluebook | OAI, http://www.acronymgeek.com/OAI (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OAI, http://www.acronymgeek.com/OAI (optional description here) (as of Feb. 10, 2012, 11:05). |
| AMA | OAI. Acronym Geek. February 10, 2012, 11:05. Available at: http://www.acronymgeek.com/OAI. Accessed February 10, 2012, 11:05. |