| APA | IBG. (2012, February 10). In Acronym Geek. Retrieved 17:05, February 10, 2012, from http://www.acronymgeek.com/IBG |
| MLA | "IBG." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/IBG>. |
| MHRA | 'IBG', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/IBG> [accessed 10 February 2012] |
| Chicago | "IBG", http://www.acronymgeek.com/IBG (accessed February 10, 2012). |
| CBE/CSE | IBG [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/IBG. |
| Bluebook | IBG, http://www.acronymgeek.com/IBG (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, IBG, http://www.acronymgeek.com/IBG (optional description here) (as of Feb. 10, 2012, 17:05). |
| AMA | IBG. Acronym Geek. February 10, 2012, 17:05. Available at: http://www.acronymgeek.com/IBG. Accessed February 10, 2012, 17:05. |