| APA | BTDR. (2012, February 14). In Acronym Geek. Retrieved 23:45, February 14, 2012, from http://www.acronymgeek.com/BTDR |
| MLA | "BTDR." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/BTDR>. |
| MHRA | 'BTDR', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/BTDR> [accessed 14 February 2012] |
| Chicago | "BTDR", http://www.acronymgeek.com/BTDR (accessed February 14, 2012). |
| CBE/CSE | BTDR [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/BTDR. |
| Bluebook | BTDR, http://www.acronymgeek.com/BTDR (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, BTDR, http://www.acronymgeek.com/BTDR (optional description here) (as of Feb. 14, 2012, 23:45). |
| AMA | BTDR. Acronym Geek. February 14, 2012, 23:45. Available at: http://www.acronymgeek.com/BTDR. Accessed February 14, 2012, 23:45. |