| APA | FDUL. (2012, February 10). In Acronym Geek. Retrieved 09:54, February 10, 2012, from http://www.acronymgeek.com/FDUL |
| MLA | "FDUL." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/FDUL>. |
| MHRA | 'FDUL', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/FDUL> [accessed 10 February 2012] |
| Chicago | "FDUL", http://www.acronymgeek.com/FDUL (accessed February 10, 2012). |
| CBE/CSE | FDUL [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/FDUL. |
| Bluebook | FDUL, http://www.acronymgeek.com/FDUL (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, FDUL, http://www.acronymgeek.com/FDUL (optional description here) (as of Feb. 10, 2012, 09:54). |
| AMA | FDUL. Acronym Geek. February 10, 2012, 09:54. Available at: http://www.acronymgeek.com/FDUL. Accessed February 10, 2012, 09:54. |