| APA | URKA. (2012, February 14). In Acronym Geek. Retrieved 00:50, February 14, 2012, from http://www.acronymgeek.com/URKA |
| MLA | "URKA." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/URKA>. |
| MHRA | 'URKA', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/URKA> [accessed 14 February 2012] |
| Chicago | "URKA", http://www.acronymgeek.com/URKA (accessed February 14, 2012). |
| CBE/CSE | URKA [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/URKA. |
| Bluebook | URKA, http://www.acronymgeek.com/URKA (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, URKA, http://www.acronymgeek.com/URKA (optional description here) (as of Feb. 14, 2012, 00:50). |
| AMA | URKA. Acronym Geek. February 14, 2012, 00:50. Available at: http://www.acronymgeek.com/URKA. Accessed February 14, 2012, 00:50. |