| APA | HTRF. (2012, February 15). In Acronym Geek. Retrieved 09:29, February 15, 2012, from http://www.acronymgeek.com/HTRF |
| MLA | "HTRF." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/HTRF>. |
| MHRA | 'HTRF', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/HTRF> [accessed 15 February 2012] |
| Chicago | "HTRF", http://www.acronymgeek.com/HTRF (accessed February 15, 2012). |
| CBE/CSE | HTRF [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/HTRF. |
| Bluebook | HTRF, http://www.acronymgeek.com/HTRF (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HTRF, http://www.acronymgeek.com/HTRF (optional description here) (as of Feb. 15, 2012, 09:29). |
| AMA | HTRF. Acronym Geek. February 15, 2012, 09:29. Available at: http://www.acronymgeek.com/HTRF. Accessed February 15, 2012, 09:29. |