| APA | HTAK. (2012, February 16). In Acronym Geek. Retrieved 07:03, February 16, 2012, from http://www.acronymgeek.com/HTAK |
| MLA | "HTAK." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/HTAK>. |
| MHRA | 'HTAK', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/HTAK> [accessed 16 February 2012] |
| Chicago | "HTAK", http://www.acronymgeek.com/HTAK (accessed February 16, 2012). |
| CBE/CSE | HTAK [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/HTAK. |
| Bluebook | HTAK, http://www.acronymgeek.com/HTAK (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HTAK, http://www.acronymgeek.com/HTAK (optional description here) (as of Feb. 16, 2012, 07:03). |
| AMA | HTAK. Acronym Geek. February 16, 2012, 07:03. Available at: http://www.acronymgeek.com/HTAK. Accessed February 16, 2012, 07:03. |