| APA | BTDZ. (2012, February 14). In Acronym Geek. Retrieved 20:15, February 14, 2012, from http://www.acronymgeek.com/BTDZ |
| MLA | "BTDZ." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/BTDZ>. |
| MHRA | 'BTDZ', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/BTDZ> [accessed 14 February 2012] |
| Chicago | "BTDZ", http://www.acronymgeek.com/BTDZ (accessed February 14, 2012). |
| CBE/CSE | BTDZ [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/BTDZ. |
| Bluebook | BTDZ, http://www.acronymgeek.com/BTDZ (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, BTDZ, http://www.acronymgeek.com/BTDZ (optional description here) (as of Feb. 14, 2012, 20:15). |
| AMA | BTDZ. Acronym Geek. February 14, 2012, 20:15. Available at: http://www.acronymgeek.com/BTDZ. Accessed February 14, 2012, 20:15. |