| APA | UNDA. (2012, February 17). In Acronym Geek. Retrieved 07:24, February 17, 2012, from http://www.acronymgeek.com/UNDA |
| MLA | "UNDA." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/UNDA>. |
| MHRA | 'UNDA', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/UNDA> [accessed 17 February 2012] |
| Chicago | "UNDA", http://www.acronymgeek.com/UNDA (accessed February 17, 2012). |
| CBE/CSE | UNDA [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/UNDA. |
| Bluebook | UNDA, http://www.acronymgeek.com/UNDA (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, UNDA, http://www.acronymgeek.com/UNDA (optional description here) (as of Feb. 17, 2012, 07:24). |
| AMA | UNDA. Acronym Geek. February 17, 2012, 07:24. Available at: http://www.acronymgeek.com/UNDA. Accessed February 17, 2012, 07:24. |