| APA | ESNU. (2012, February 15). In Acronym Geek. Retrieved 06:04, February 15, 2012, from http://www.acronymgeek.com/ESNU |
| MLA | "ESNU." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/ESNU>. |
| MHRA | 'ESNU', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/ESNU> [accessed 15 February 2012] |
| Chicago | "ESNU", http://www.acronymgeek.com/ESNU (accessed February 15, 2012). |
| CBE/CSE | ESNU [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/ESNU. |
| Bluebook | ESNU, http://www.acronymgeek.com/ESNU (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ESNU, http://www.acronymgeek.com/ESNU (optional description here) (as of Feb. 15, 2012, 06:04). |
| AMA | ESNU. Acronym Geek. February 15, 2012, 06:04. Available at: http://www.acronymgeek.com/ESNU. Accessed February 15, 2012, 06:04. |