| APA | OKLA.. (2012, February 12). In Acronym Geek. Retrieved 16:39, February 12, 2012, from http://www.acronymgeek.com/OKLA. |
| MLA | "OKLA.." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/OKLA.>. |
| MHRA | 'OKLA.', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/OKLA.> [accessed 12 February 2012] |
| Chicago | "OKLA.", http://www.acronymgeek.com/OKLA. (accessed February 12, 2012). |
| CBE/CSE | OKLA. [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/OKLA.. |
| Bluebook | OKLA., http://www.acronymgeek.com/OKLA. (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OKLA., http://www.acronymgeek.com/OKLA. (optional description here) (as of Feb. 12, 2012, 16:39). |
| AMA | OKLA.. Acronym Geek. February 12, 2012, 16:39. Available at: http://www.acronymgeek.com/OKLA.. Accessed February 12, 2012, 16:39. |