| APA | IDUS. (2012, February 15). In Acronym Geek. Retrieved 02:15, February 15, 2012, from http://www.acronymgeek.com/IDUS |
| MLA | "IDUS." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/IDUS>. |
| MHRA | 'IDUS', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/IDUS> [accessed 15 February 2012] |
| Chicago | "IDUS", http://www.acronymgeek.com/IDUS (accessed February 15, 2012). |
| CBE/CSE | IDUS [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/IDUS. |
| Bluebook | IDUS, http://www.acronymgeek.com/IDUS (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, IDUS, http://www.acronymgeek.com/IDUS (optional description here) (as of Feb. 15, 2012, 02:15). |
| AMA | IDUS. Acronym Geek. February 15, 2012, 02:15. Available at: http://www.acronymgeek.com/IDUS. Accessed February 15, 2012, 02:15. |