| APA | HTRB. (2012, February 16). In Acronym Geek. Retrieved 04:37, February 16, 2012, from http://www.acronymgeek.com/HTRB |
| MLA | "HTRB." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/HTRB>. |
| MHRA | 'HTRB', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/HTRB> [accessed 16 February 2012] |
| Chicago | "HTRB", http://www.acronymgeek.com/HTRB (accessed February 16, 2012). |
| CBE/CSE | HTRB [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/HTRB. |
| Bluebook | HTRB, http://www.acronymgeek.com/HTRB (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HTRB, http://www.acronymgeek.com/HTRB (optional description here) (as of Feb. 16, 2012, 04:37). |
| AMA | HTRB. Acronym Geek. February 16, 2012, 04:37. Available at: http://www.acronymgeek.com/HTRB. Accessed February 16, 2012, 04:37. |