| APA | WDU. (2012, February 14). In Acronym Geek. Retrieved 07:53, February 14, 2012, from http://www.acronymgeek.com/WDU |
| MLA | "WDU." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/WDU>. |
| MHRA | 'WDU', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/WDU> [accessed 14 February 2012] |
| Chicago | "WDU", http://www.acronymgeek.com/WDU (accessed February 14, 2012). |
| CBE/CSE | WDU [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/WDU. |
| Bluebook | WDU, http://www.acronymgeek.com/WDU (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, WDU, http://www.acronymgeek.com/WDU (optional description here) (as of Feb. 14, 2012, 07:53). |
| AMA | WDU. Acronym Geek. February 14, 2012, 07:53. Available at: http://www.acronymgeek.com/WDU. Accessed February 14, 2012, 07:53. |