| APA | IBD. (2012, February 10). In Acronym Geek. Retrieved 17:53, February 10, 2012, from http://www.acronymgeek.com/IBD |
| MLA | "IBD." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/IBD>. |
| MHRA | 'IBD', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/IBD> [accessed 10 February 2012] |
| Chicago | "IBD", http://www.acronymgeek.com/IBD (accessed February 10, 2012). |
| CBE/CSE | IBD [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/IBD. |
| Bluebook | IBD, http://www.acronymgeek.com/IBD (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, IBD, http://www.acronymgeek.com/IBD (optional description here) (as of Feb. 10, 2012, 17:53). |
| AMA | IBD. Acronym Geek. February 10, 2012, 17:53. Available at: http://www.acronymgeek.com/IBD. Accessed February 10, 2012, 17:53. |