| APA | S/MIME. (2012, February 10). In Acronym Geek. Retrieved 14:33, February 10, 2012, from http://www.acronymgeek.com/S/MIME |
| MLA | "S/MIME." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/S/MIME>. |
| MHRA | 'S/MIME', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/S/MIME> [accessed 10 February 2012] |
| Chicago | "S/MIME", http://www.acronymgeek.com/S/MIME (accessed February 10, 2012). |
| CBE/CSE | S/MIME [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/S/MIME. |
| Bluebook | S/MIME, http://www.acronymgeek.com/S/MIME (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, S/MIME, http://www.acronymgeek.com/S/MIME (optional description here) (as of Feb. 10, 2012, 14:33). |
| AMA | S/MIME. Acronym Geek. February 10, 2012, 14:33. Available at: http://www.acronymgeek.com/S/MIME. Accessed February 10, 2012, 14:33. |