| APA | CR2K. (2012, February 15). In Acronym Geek. Retrieved 02:26, February 15, 2012, from http://www.acronymgeek.com/CR2K |
| MLA | "CR2K." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/CR2K>. |
| MHRA | 'CR2K', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/CR2K> [accessed 15 February 2012] |
| Chicago | "CR2K", http://www.acronymgeek.com/CR2K (accessed February 15, 2012). |
| CBE/CSE | CR2K [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/CR2K. |
| Bluebook | CR2K, http://www.acronymgeek.com/CR2K (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CR2K, http://www.acronymgeek.com/CR2K (optional description here) (as of Feb. 15, 2012, 02:26). |
| AMA | CR2K. Acronym Geek. February 15, 2012, 02:26. Available at: http://www.acronymgeek.com/CR2K. Accessed February 15, 2012, 02:26. |