| APA | OJKA. (2012, February 15). In Acronym Geek. Retrieved 23:49, February 15, 2012, from http://www.acronymgeek.com/OJKA |
| MLA | "OJKA." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/OJKA>. |
| MHRA | 'OJKA', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/OJKA> [accessed 15 February 2012] |
| Chicago | "OJKA", http://www.acronymgeek.com/OJKA (accessed February 15, 2012). |
| CBE/CSE | OJKA [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/OJKA. |
| Bluebook | OJKA, http://www.acronymgeek.com/OJKA (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OJKA, http://www.acronymgeek.com/OJKA (optional description here) (as of Feb. 15, 2012, 23:49). |
| AMA | OJKA. Acronym Geek. February 15, 2012, 23:49. Available at: http://www.acronymgeek.com/OJKA. Accessed February 15, 2012, 23:49. |