| APA | ESOM. (2012, February 14). In Acronym Geek. Retrieved 14:25, February 14, 2012, from http://www.acronymgeek.com/ESOM |
| MLA | "ESOM." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/ESOM>. |
| MHRA | 'ESOM', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/ESOM> [accessed 14 February 2012] |
| Chicago | "ESOM", http://www.acronymgeek.com/ESOM (accessed February 14, 2012). |
| CBE/CSE | ESOM [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/ESOM. |
| Bluebook | ESOM, http://www.acronymgeek.com/ESOM (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ESOM, http://www.acronymgeek.com/ESOM (optional description here) (as of Feb. 14, 2012, 14:25). |
| AMA | ESOM. Acronym Geek. February 14, 2012, 14:25. Available at: http://www.acronymgeek.com/ESOM. Accessed February 14, 2012, 14:25. |