| APA | HBTD. (2012, February 16). In Acronym Geek. Retrieved 05:42, February 16, 2012, from http://www.acronymgeek.com/HBTD |
| MLA | "HBTD." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/HBTD>. |
| MHRA | 'HBTD', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/HBTD> [accessed 16 February 2012] |
| Chicago | "HBTD", http://www.acronymgeek.com/HBTD (accessed February 16, 2012). |
| CBE/CSE | HBTD [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/HBTD. |
| Bluebook | HBTD, http://www.acronymgeek.com/HBTD (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HBTD, http://www.acronymgeek.com/HBTD (optional description here) (as of Feb. 16, 2012, 05:42). |
| AMA | HBTD. Acronym Geek. February 16, 2012, 05:42. Available at: http://www.acronymgeek.com/HBTD. Accessed February 16, 2012, 05:42. |