| APA | ERWD. (2012, February 15). In Acronym Geek. Retrieved 11:59, February 15, 2012, from http://www.acronymgeek.com/ERWD |
| MLA | "ERWD." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/ERWD>. |
| MHRA | 'ERWD', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/ERWD> [accessed 15 February 2012] |
| Chicago | "ERWD", http://www.acronymgeek.com/ERWD (accessed February 15, 2012). |
| CBE/CSE | ERWD [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/ERWD. |
| Bluebook | ERWD, http://www.acronymgeek.com/ERWD (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ERWD, http://www.acronymgeek.com/ERWD (optional description here) (as of Feb. 15, 2012, 11:59). |
| AMA | ERWD. Acronym Geek. February 15, 2012, 11:59. Available at: http://www.acronymgeek.com/ERWD. Accessed February 15, 2012, 11:59. |