| APA | OTND. (2012, February 16). In Acronym Geek. Retrieved 19:21, February 16, 2012, from http://www.acronymgeek.com/OTND |
| MLA | "OTND." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/OTND>. |
| MHRA | 'OTND', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/OTND> [accessed 16 February 2012] |
| Chicago | "OTND", http://www.acronymgeek.com/OTND (accessed February 16, 2012). |
| CBE/CSE | OTND [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/OTND. |
| Bluebook | OTND, http://www.acronymgeek.com/OTND (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OTND, http://www.acronymgeek.com/OTND (optional description here) (as of Feb. 16, 2012, 19:21). |
| AMA | OTND. Acronym Geek. February 16, 2012, 19:21. Available at: http://www.acronymgeek.com/OTND. Accessed February 16, 2012, 19:21. |