| APA | HBTX. (2012, February 16). In Acronym Geek. Retrieved 04:30, February 16, 2012, from http://www.acronymgeek.com/HBTX |
| MLA | "HBTX." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/HBTX>. |
| MHRA | 'HBTX', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/HBTX> [accessed 16 February 2012] |
| Chicago | "HBTX", http://www.acronymgeek.com/HBTX (accessed February 16, 2012). |
| CBE/CSE | HBTX [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/HBTX. |
| Bluebook | HBTX, http://www.acronymgeek.com/HBTX (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HBTX, http://www.acronymgeek.com/HBTX (optional description here) (as of Feb. 16, 2012, 04:30). |
| AMA | HBTX. Acronym Geek. February 16, 2012, 04:30. Available at: http://www.acronymgeek.com/HBTX. Accessed February 16, 2012, 04:30. |