| APA | WPE. (2012, February 14). In Acronym Geek. Retrieved 11:06, February 14, 2012, from http://www.acronymgeek.com/WPE |
| MLA | "WPE." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/WPE>. |
| MHRA | 'WPE', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/WPE> [accessed 14 February 2012] |
| Chicago | "WPE", http://www.acronymgeek.com/WPE (accessed February 14, 2012). |
| CBE/CSE | WPE [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/WPE. |
| Bluebook | WPE, http://www.acronymgeek.com/WPE (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, WPE, http://www.acronymgeek.com/WPE (optional description here) (as of Feb. 14, 2012, 11:06). |
| AMA | WPE. Acronym Geek. February 14, 2012, 11:06. Available at: http://www.acronymgeek.com/WPE. Accessed February 14, 2012, 11:06. |