| APA | HTBI. (2012, February 16). In Acronym Geek. Retrieved 18:51, February 16, 2012, from http://www.acronymgeek.com/HTBI |
| MLA | "HTBI." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/HTBI>. |
| MHRA | 'HTBI', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/HTBI> [accessed 16 February 2012] |
| Chicago | "HTBI", http://www.acronymgeek.com/HTBI (accessed February 16, 2012). |
| CBE/CSE | HTBI [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/HTBI. |
| Bluebook | HTBI, http://www.acronymgeek.com/HTBI (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HTBI, http://www.acronymgeek.com/HTBI (optional description here) (as of Feb. 16, 2012, 18:51). |
| AMA | HTBI. Acronym Geek. February 16, 2012, 18:51. Available at: http://www.acronymgeek.com/HTBI. Accessed February 16, 2012, 18:51. |