| APA | OIRK. (2012, February 15). In Acronym Geek. Retrieved 23:48, February 15, 2012, from http://www.acronymgeek.com/OIRK |
| MLA | "OIRK." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/OIRK>. |
| MHRA | 'OIRK', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/OIRK> [accessed 15 February 2012] |
| Chicago | "OIRK", http://www.acronymgeek.com/OIRK (accessed February 15, 2012). |
| CBE/CSE | OIRK [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/OIRK. |
| Bluebook | OIRK, http://www.acronymgeek.com/OIRK (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OIRK, http://www.acronymgeek.com/OIRK (optional description here) (as of Feb. 15, 2012, 23:48). |
| AMA | OIRK. Acronym Geek. February 15, 2012, 23:48. Available at: http://www.acronymgeek.com/OIRK. Accessed February 15, 2012, 23:48. |