| APA | LDUF. (2012, February 17). In Acronym Geek. Retrieved 00:30, February 17, 2012, from http://www.acronymgeek.com/LDUF |
| MLA | "LDUF." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/LDUF>. |
| MHRA | 'LDUF', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/LDUF> [accessed 17 February 2012] |
| Chicago | "LDUF", http://www.acronymgeek.com/LDUF (accessed February 17, 2012). |
| CBE/CSE | LDUF [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/LDUF. |
| Bluebook | LDUF, http://www.acronymgeek.com/LDUF (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, LDUF, http://www.acronymgeek.com/LDUF (optional description here) (as of Feb. 17, 2012, 00:30). |
| AMA | LDUF. Acronym Geek. February 17, 2012, 00:30. Available at: http://www.acronymgeek.com/LDUF. Accessed February 17, 2012, 00:30. |