| APA | EPOU. (2012, February 15). In Acronym Geek. Retrieved 16:29, February 15, 2012, from http://www.acronymgeek.com/EPOU |
| MLA | "EPOU." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/EPOU>. |
| MHRA | 'EPOU', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/EPOU> [accessed 15 February 2012] |
| Chicago | "EPOU", http://www.acronymgeek.com/EPOU (accessed February 15, 2012). |
| CBE/CSE | EPOU [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/EPOU. |
| Bluebook | EPOU, http://www.acronymgeek.com/EPOU (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, EPOU, http://www.acronymgeek.com/EPOU (optional description here) (as of Feb. 15, 2012, 16:29). |
| AMA | EPOU. Acronym Geek. February 15, 2012, 16:29. Available at: http://www.acronymgeek.com/EPOU. Accessed February 15, 2012, 16:29. |