| APA | WU. (2012, February 14). In Acronym Geek. Retrieved 06:50, February 14, 2012, from http://www.acronymgeek.com/WU |
| MLA | "WU." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/WU>. |
| MHRA | 'WU', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/WU> [accessed 14 February 2012] |
| Chicago | "WU", http://www.acronymgeek.com/WU (accessed February 14, 2012). |
| CBE/CSE | WU [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/WU. |
| Bluebook | WU, http://www.acronymgeek.com/WU (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, WU, http://www.acronymgeek.com/WU (optional description here) (as of Feb. 14, 2012, 06:50). |
| AMA | WU. Acronym Geek. February 14, 2012, 06:50. Available at: http://www.acronymgeek.com/WU. Accessed February 14, 2012, 06:50. |