| APA | HTB. (2012, February 15). In Acronym Geek. Retrieved 03:33, February 15, 2012, from http://www.acronymgeek.com/HTB |
| MLA | "HTB." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/HTB>. |
| MHRA | 'HTB', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/HTB> [accessed 15 February 2012] |
| Chicago | "HTB", http://www.acronymgeek.com/HTB (accessed February 15, 2012). |
| CBE/CSE | HTB [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/HTB. |
| Bluebook | HTB, http://www.acronymgeek.com/HTB (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HTB, http://www.acronymgeek.com/HTB (optional description here) (as of Feb. 15, 2012, 03:33). |
| AMA | HTB. Acronym Geek. February 15, 2012, 03:33. Available at: http://www.acronymgeek.com/HTB. Accessed February 15, 2012, 03:33. |