| APA | EI-MS. (2012, February 12). In Acronym Geek. Retrieved 11:45, February 12, 2012, from http://www.acronymgeek.com/EI-MS |
| MLA | "EI-MS." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/EI-MS>. |
| MHRA | 'EI-MS', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/EI-MS> [accessed 12 February 2012] |
| Chicago | "EI-MS", http://www.acronymgeek.com/EI-MS (accessed February 12, 2012). |
| CBE/CSE | EI-MS [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/EI-MS. |
| Bluebook | EI-MS, http://www.acronymgeek.com/EI-MS (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, EI-MS, http://www.acronymgeek.com/EI-MS (optional description here) (as of Feb. 12, 2012, 11:45). |
| AMA | EI-MS. Acronym Geek. February 12, 2012, 11:45. Available at: http://www.acronymgeek.com/EI-MS. Accessed February 12, 2012, 11:45. |