| APA | IDIU. (2012, February 15). In Acronym Geek. Retrieved 16:59, February 15, 2012, from http://www.acronymgeek.com/IDIU |
| MLA | "IDIU." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/IDIU>. |
| MHRA | 'IDIU', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/IDIU> [accessed 15 February 2012] |
| Chicago | "IDIU", http://www.acronymgeek.com/IDIU (accessed February 15, 2012). |
| CBE/CSE | IDIU [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/IDIU. |
| Bluebook | IDIU, http://www.acronymgeek.com/IDIU (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, IDIU, http://www.acronymgeek.com/IDIU (optional description here) (as of Feb. 15, 2012, 16:59). |
| AMA | IDIU. Acronym Geek. February 15, 2012, 16:59. Available at: http://www.acronymgeek.com/IDIU. Accessed February 15, 2012, 16:59. |