| APA | EWPS. (2012, February 14). In Acronym Geek. Retrieved 13:34, February 14, 2012, from http://www.acronymgeek.com/EWPS |
| MLA | "EWPS." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/EWPS>. |
| MHRA | 'EWPS', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/EWPS> [accessed 14 February 2012] |
| Chicago | "EWPS", http://www.acronymgeek.com/EWPS (accessed February 14, 2012). |
| CBE/CSE | EWPS [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/EWPS. |
| Bluebook | EWPS, http://www.acronymgeek.com/EWPS (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, EWPS, http://www.acronymgeek.com/EWPS (optional description here) (as of Feb. 14, 2012, 13:34). |
| AMA | EWPS. Acronym Geek. February 14, 2012, 13:34. Available at: http://www.acronymgeek.com/EWPS. Accessed February 14, 2012, 13:34. |