| APA | HHTT. (2012, February 15). In Acronym Geek. Retrieved 22:52, February 15, 2012, from http://www.acronymgeek.com/HHTT |
| MLA | "HHTT." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/HHTT>. |
| MHRA | 'HHTT', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/HHTT> [accessed 15 February 2012] |
| Chicago | "HHTT", http://www.acronymgeek.com/HHTT (accessed February 15, 2012). |
| CBE/CSE | HHTT [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/HHTT. |
| Bluebook | HHTT, http://www.acronymgeek.com/HHTT (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HHTT, http://www.acronymgeek.com/HHTT (optional description here) (as of Feb. 15, 2012, 22:52). |
| AMA | HHTT. Acronym Geek. February 15, 2012, 22:52. Available at: http://www.acronymgeek.com/HHTT. Accessed February 15, 2012, 22:52. |