| APA | CRKA. (2012, February 16). In Acronym Geek. Retrieved 08:44, February 16, 2012, from http://www.acronymgeek.com/CRKA |
| MLA | "CRKA." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/CRKA>. |
| MHRA | 'CRKA', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/CRKA> [accessed 16 February 2012] |
| Chicago | "CRKA", http://www.acronymgeek.com/CRKA (accessed February 16, 2012). |
| CBE/CSE | CRKA [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/CRKA. |
| Bluebook | CRKA, http://www.acronymgeek.com/CRKA (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CRKA, http://www.acronymgeek.com/CRKA (optional description here) (as of Feb. 16, 2012, 08:44). |
| AMA | CRKA. Acronym Geek. February 16, 2012, 08:44. Available at: http://www.acronymgeek.com/CRKA. Accessed February 16, 2012, 08:44. |