| APA | HCKS. (2012, February 14). In Acronym Geek. Retrieved 00:54, February 14, 2012, from http://www.acronymgeek.com/HCKS |
| MLA | "HCKS." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/HCKS>. |
| MHRA | 'HCKS', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/HCKS> [accessed 14 February 2012] |
| Chicago | "HCKS", http://www.acronymgeek.com/HCKS (accessed February 14, 2012). |
| CBE/CSE | HCKS [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/HCKS. |
| Bluebook | HCKS, http://www.acronymgeek.com/HCKS (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HCKS, http://www.acronymgeek.com/HCKS (optional description here) (as of Feb. 14, 2012, 00:54). |
| AMA | HCKS. Acronym Geek. February 14, 2012, 00:54. Available at: http://www.acronymgeek.com/HCKS. Accessed February 14, 2012, 00:54. |