| APA | HTKS. (2012, February 16). In Acronym Geek. Retrieved 15:58, February 16, 2012, from http://www.acronymgeek.com/HTKS |
| MLA | "HTKS." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/HTKS>. |
| MHRA | 'HTKS', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/HTKS> [accessed 16 February 2012] |
| Chicago | "HTKS", http://www.acronymgeek.com/HTKS (accessed February 16, 2012). |
| CBE/CSE | HTKS [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/HTKS. |
| Bluebook | HTKS, http://www.acronymgeek.com/HTKS (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HTKS, http://www.acronymgeek.com/HTKS (optional description here) (as of Feb. 16, 2012, 15:58). |
| AMA | HTKS. Acronym Geek. February 16, 2012, 15:58. Available at: http://www.acronymgeek.com/HTKS. Accessed February 16, 2012, 15:58. |