| APA | UMDN. (2012, February 16). In Acronym Geek. Retrieved 04:51, February 16, 2012, from http://www.acronymgeek.com/UMDN |
| MLA | "UMDN." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/UMDN>. |
| MHRA | 'UMDN', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/UMDN> [accessed 16 February 2012] |
| Chicago | "UMDN", http://www.acronymgeek.com/UMDN (accessed February 16, 2012). |
| CBE/CSE | UMDN [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/UMDN. |
| Bluebook | UMDN, http://www.acronymgeek.com/UMDN (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, UMDN, http://www.acronymgeek.com/UMDN (optional description here) (as of Feb. 16, 2012, 04:51). |
| AMA | UMDN. Acronym Geek. February 16, 2012, 04:51. Available at: http://www.acronymgeek.com/UMDN. Accessed February 16, 2012, 04:51. |