| APA | HBTZ. (2012, February 15). In Acronym Geek. Retrieved 14:19, February 15, 2012, from http://www.acronymgeek.com/HBTZ |
| MLA | "HBTZ." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/HBTZ>. |
| MHRA | 'HBTZ', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/HBTZ> [accessed 15 February 2012] |
| Chicago | "HBTZ", http://www.acronymgeek.com/HBTZ (accessed February 15, 2012). |
| CBE/CSE | HBTZ [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/HBTZ. |
| Bluebook | HBTZ, http://www.acronymgeek.com/HBTZ (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HBTZ, http://www.acronymgeek.com/HBTZ (optional description here) (as of Feb. 15, 2012, 14:19). |
| AMA | HBTZ. Acronym Geek. February 15, 2012, 14:19. Available at: http://www.acronymgeek.com/HBTZ. Accessed February 15, 2012, 14:19. |