| APA | HTRT. (2012, February 17). In Acronym Geek. Retrieved 02:52, February 17, 2012, from http://www.acronymgeek.com/HTRT |
| MLA | "HTRT." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/HTRT>. |
| MHRA | 'HTRT', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/HTRT> [accessed 17 February 2012] |
| Chicago | "HTRT", http://www.acronymgeek.com/HTRT (accessed February 17, 2012). |
| CBE/CSE | HTRT [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/HTRT. |
| Bluebook | HTRT, http://www.acronymgeek.com/HTRT (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HTRT, http://www.acronymgeek.com/HTRT (optional description here) (as of Feb. 17, 2012, 02:52). |
| AMA | HTRT. Acronym Geek. February 17, 2012, 02:52. Available at: http://www.acronymgeek.com/HTRT. Accessed February 17, 2012, 02:52. |