| APA | CRKH. (2012, February 16). In Acronym Geek. Retrieved 21:49, February 16, 2012, from http://www.acronymgeek.com/CRKH |
| MLA | "CRKH." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/CRKH>. |
| MHRA | 'CRKH', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/CRKH> [accessed 16 February 2012] |
| Chicago | "CRKH", http://www.acronymgeek.com/CRKH (accessed February 16, 2012). |
| CBE/CSE | CRKH [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/CRKH. |
| Bluebook | CRKH, http://www.acronymgeek.com/CRKH (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CRKH, http://www.acronymgeek.com/CRKH (optional description here) (as of Feb. 16, 2012, 21:49). |
| AMA | CRKH. Acronym Geek. February 16, 2012, 21:49. Available at: http://www.acronymgeek.com/CRKH. Accessed February 16, 2012, 21:49. |