| APA | UDP. (2012, February 4). In Acronym Geek. Retrieved 11:18, February 4, 2012, from http://www.acronymgeek.com/UDP |
| MLA | "UDP." Acronym Geek. (2012). Acronym Geek. 4 Feb 2012 <http://www.acronymgeek.com/UDP>. |
| MHRA | 'UDP', Acronym Geek, 4 February 2012, <http://www.acronymgeek.com/UDP> [accessed 4 February 2012] |
| Chicago | "UDP", http://www.acronymgeek.com/UDP (accessed February 4, 2012). |
| CBE/CSE | UDP [Internet]. Acronym Geek; 2012 Feb 4 [cited 2012 Feb 4]. Available from: http://www.acronymgeek.com/UDP. |
| Bluebook | UDP, http://www.acronymgeek.com/UDP (last visited February 4, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, UDP, http://www.acronymgeek.com/UDP (optional description here) (as of Feb. 4, 2012, 11:18). |
| AMA | UDP. Acronym Geek. February 4, 2012, 11:18. Available at: http://www.acronymgeek.com/UDP. Accessed February 4, 2012, 11:18. |