| APA | IDUM. (2012, February 15). In Acronym Geek. Retrieved 14:01, February 15, 2012, from http://www.acronymgeek.com/IDUM |
| MLA | "IDUM." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/IDUM>. |
| MHRA | 'IDUM', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/IDUM> [accessed 15 February 2012] |
| Chicago | "IDUM", http://www.acronymgeek.com/IDUM (accessed February 15, 2012). |
| CBE/CSE | IDUM [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/IDUM. |
| Bluebook | IDUM, http://www.acronymgeek.com/IDUM (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, IDUM, http://www.acronymgeek.com/IDUM (optional description here) (as of Feb. 15, 2012, 14:01). |
| AMA | IDUM. Acronym Geek. February 15, 2012, 14:01. Available at: http://www.acronymgeek.com/IDUM. Accessed February 15, 2012, 14:01. |