| APA | ERWT. (2012, February 14). In Acronym Geek. Retrieved 14:03, February 14, 2012, from http://www.acronymgeek.com/ERWT |
| MLA | "ERWT." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/ERWT>. |
| MHRA | 'ERWT', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/ERWT> [accessed 14 February 2012] |
| Chicago | "ERWT", http://www.acronymgeek.com/ERWT (accessed February 14, 2012). |
| CBE/CSE | ERWT [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/ERWT. |
| Bluebook | ERWT, http://www.acronymgeek.com/ERWT (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ERWT, http://www.acronymgeek.com/ERWT (optional description here) (as of Feb. 14, 2012, 14:03). |
| AMA | ERWT. Acronym Geek. February 14, 2012, 14:03. Available at: http://www.acronymgeek.com/ERWT. Accessed February 14, 2012, 14:03. |