| APA | ERWU. (2012, February 15). In Acronym Geek. Retrieved 11:00, February 15, 2012, from http://www.acronymgeek.com/ERWU |
| MLA | "ERWU." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/ERWU>. |
| MHRA | 'ERWU', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/ERWU> [accessed 15 February 2012] |
| Chicago | "ERWU", http://www.acronymgeek.com/ERWU (accessed February 15, 2012). |
| CBE/CSE | ERWU [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/ERWU. |
| Bluebook | ERWU, http://www.acronymgeek.com/ERWU (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ERWU, http://www.acronymgeek.com/ERWU (optional description here) (as of Feb. 15, 2012, 11:00). |
| AMA | ERWU. Acronym Geek. February 15, 2012, 11:00. Available at: http://www.acronymgeek.com/ERWU. Accessed February 15, 2012, 11:00. |