| APA | HRT. (2012, February 9). In Acronym Geek. Retrieved 19:41, February 9, 2012, from http://www.acronymgeek.com/HRT |
| MLA | "HRT." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/HRT>. |
| MHRA | 'HRT', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/HRT> [accessed 9 February 2012] |
| Chicago | "HRT", http://www.acronymgeek.com/HRT (accessed February 9, 2012). |
| CBE/CSE | HRT [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/HRT. |
| Bluebook | HRT, http://www.acronymgeek.com/HRT (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HRT, http://www.acronymgeek.com/HRT (optional description here) (as of Feb. 9, 2012, 19:41). |
| AMA | HRT. Acronym Geek. February 9, 2012, 19:41. Available at: http://www.acronymgeek.com/HRT. Accessed February 9, 2012, 19:41. |