| APA | ENEL. (2012, February 16). In Acronym Geek. Retrieved 20:12, February 16, 2012, from http://www.acronymgeek.com/ENEL |
| MLA | "ENEL." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/ENEL>. |
| MHRA | 'ENEL', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/ENEL> [accessed 16 February 2012] |
| Chicago | "ENEL", http://www.acronymgeek.com/ENEL (accessed February 16, 2012). |
| CBE/CSE | ENEL [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/ENEL. |
| Bluebook | ENEL, http://www.acronymgeek.com/ENEL (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ENEL, http://www.acronymgeek.com/ENEL (optional description here) (as of Feb. 16, 2012, 20:12). |
| AMA | ENEL. Acronym Geek. February 16, 2012, 20:12. Available at: http://www.acronymgeek.com/ENEL. Accessed February 16, 2012, 20:12. |