| APA | HTRH. (2012, February 15). In Acronym Geek. Retrieved 16:21, February 15, 2012, from http://www.acronymgeek.com/HTRH |
| MLA | "HTRH." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/HTRH>. |
| MHRA | 'HTRH', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/HTRH> [accessed 15 February 2012] |
| Chicago | "HTRH", http://www.acronymgeek.com/HTRH (accessed February 15, 2012). |
| CBE/CSE | HTRH [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/HTRH. |
| Bluebook | HTRH, http://www.acronymgeek.com/HTRH (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HTRH, http://www.acronymgeek.com/HTRH (optional description here) (as of Feb. 15, 2012, 16:21). |
| AMA | HTRH. Acronym Geek. February 15, 2012, 16:21. Available at: http://www.acronymgeek.com/HTRH. Accessed February 15, 2012, 16:21. |