| APA | MDI. (2012, February 9). In Acronym Geek. Retrieved 02:58, February 9, 2012, from http://www.acronymgeek.com/MDI |
| MLA | "MDI." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/MDI>. |
| MHRA | 'MDI', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/MDI> [accessed 9 February 2012] |
| Chicago | "MDI", http://www.acronymgeek.com/MDI (accessed February 9, 2012). |
| CBE/CSE | MDI [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/MDI. |
| Bluebook | MDI, http://www.acronymgeek.com/MDI (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, MDI, http://www.acronymgeek.com/MDI (optional description here) (as of Feb. 9, 2012, 02:58). |
| AMA | MDI. Acronym Geek. February 9, 2012, 02:58. Available at: http://www.acronymgeek.com/MDI. Accessed February 9, 2012, 02:58. |