| APA | ES-IS. (2012, February 11). In Acronym Geek. Retrieved 20:49, February 11, 2012, from http://www.acronymgeek.com/ES-IS |
| MLA | "ES-IS." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/ES-IS>. |
| MHRA | 'ES-IS', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/ES-IS> [accessed 11 February 2012] |
| Chicago | "ES-IS", http://www.acronymgeek.com/ES-IS (accessed February 11, 2012). |
| CBE/CSE | ES-IS [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/ES-IS. |
| Bluebook | ES-IS, http://www.acronymgeek.com/ES-IS (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ES-IS, http://www.acronymgeek.com/ES-IS (optional description here) (as of Feb. 11, 2012, 20:49). |
| AMA | ES-IS. Acronym Geek. February 11, 2012, 20:49. Available at: http://www.acronymgeek.com/ES-IS. Accessed February 11, 2012, 20:49. |