| APA | URDL. (2012, February 16). In Acronym Geek. Retrieved 22:00, February 16, 2012, from http://www.acronymgeek.com/URDL |
| MLA | "URDL." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/URDL>. |
| MHRA | 'URDL', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/URDL> [accessed 16 February 2012] |
| Chicago | "URDL", http://www.acronymgeek.com/URDL (accessed February 16, 2012). |
| CBE/CSE | URDL [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/URDL. |
| Bluebook | URDL, http://www.acronymgeek.com/URDL (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, URDL, http://www.acronymgeek.com/URDL (optional description here) (as of Feb. 16, 2012, 22:00). |
| AMA | URDL. Acronym Geek. February 16, 2012, 22:00. Available at: http://www.acronymgeek.com/URDL. Accessed February 16, 2012, 22:00. |