| APA | UDL. (2012, February 14). In Acronym Geek. Retrieved 04:03, February 14, 2012, from http://www.acronymgeek.com/UDL |
| MLA | "UDL." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/UDL>. |
| MHRA | 'UDL', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/UDL> [accessed 14 February 2012] |
| Chicago | "UDL", http://www.acronymgeek.com/UDL (accessed February 14, 2012). |
| CBE/CSE | UDL [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/UDL. |
| Bluebook | UDL, http://www.acronymgeek.com/UDL (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, UDL, http://www.acronymgeek.com/UDL (optional description here) (as of Feb. 14, 2012, 04:03). |
| AMA | UDL. Acronym Geek. February 14, 2012, 04:03. Available at: http://www.acronymgeek.com/UDL. Accessed February 14, 2012, 04:03. |