| APA | E/M. (2012, February 10). In Acronym Geek. Retrieved 19:25, February 10, 2012, from http://www.acronymgeek.com/E/M |
| MLA | "E/M." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/E/M>. |
| MHRA | 'E/M', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/E/M> [accessed 10 February 2012] |
| Chicago | "E/M", http://www.acronymgeek.com/E/M (accessed February 10, 2012). |
| CBE/CSE | E/M [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/E/M. |
| Bluebook | E/M, http://www.acronymgeek.com/E/M (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, E/M, http://www.acronymgeek.com/E/M (optional description here) (as of Feb. 10, 2012, 19:25). |
| AMA | E/M. Acronym Geek. February 10, 2012, 19:25. Available at: http://www.acronymgeek.com/E/M. Accessed February 10, 2012, 19:25. |