| APA | ENUP. (2012, February 17). In Acronym Geek. Retrieved 02:06, February 17, 2012, from http://www.acronymgeek.com/ENUP |
| MLA | "ENUP." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/ENUP>. |
| MHRA | 'ENUP', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/ENUP> [accessed 17 February 2012] |
| Chicago | "ENUP", http://www.acronymgeek.com/ENUP (accessed February 17, 2012). |
| CBE/CSE | ENUP [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/ENUP. |
| Bluebook | ENUP, http://www.acronymgeek.com/ENUP (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ENUP, http://www.acronymgeek.com/ENUP (optional description here) (as of Feb. 17, 2012, 02:06). |
| AMA | ENUP. Acronym Geek. February 17, 2012, 02:06. Available at: http://www.acronymgeek.com/ENUP. Accessed February 17, 2012, 02:06. |