| APA | TBD. (2012, February 8). In Acronym Geek. Retrieved 23:59, February 8, 2012, from http://www.acronymgeek.com/TBD |
| MLA | "TBD." Acronym Geek. (2012). Acronym Geek. 8 Feb 2012 <http://www.acronymgeek.com/TBD>. |
| MHRA | 'TBD', Acronym Geek, 8 February 2012, <http://www.acronymgeek.com/TBD> [accessed 8 February 2012] |
| Chicago | "TBD", http://www.acronymgeek.com/TBD (accessed February 8, 2012). |
| CBE/CSE | TBD [Internet]. Acronym Geek; 2012 Feb 8 [cited 2012 Feb 8]. Available from: http://www.acronymgeek.com/TBD. |
| Bluebook | TBD, http://www.acronymgeek.com/TBD (last visited February 8, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, TBD, http://www.acronymgeek.com/TBD (optional description here) (as of Feb. 8, 2012, 23:59). |
| AMA | TBD. Acronym Geek. February 8, 2012, 23:59. Available at: http://www.acronymgeek.com/TBD. Accessed February 8, 2012, 23:59. |