| APA | OKCR. (2012, February 16). In Acronym Geek. Retrieved 01:34, February 16, 2012, from http://www.acronymgeek.com/OKCR |
| MLA | "OKCR." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/OKCR>. |
| MHRA | 'OKCR', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/OKCR> [accessed 16 February 2012] |
| Chicago | "OKCR", http://www.acronymgeek.com/OKCR (accessed February 16, 2012). |
| CBE/CSE | OKCR [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/OKCR. |
| Bluebook | OKCR, http://www.acronymgeek.com/OKCR (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OKCR, http://www.acronymgeek.com/OKCR (optional description here) (as of Feb. 16, 2012, 01:34). |
| AMA | OKCR. Acronym Geek. February 16, 2012, 01:34. Available at: http://www.acronymgeek.com/OKCR. Accessed February 16, 2012, 01:34. |