| APA | IOB. (2012, February 14). In Acronym Geek. Retrieved 07:03, February 14, 2012, from http://www.acronymgeek.com/IOB |
| MLA | "IOB." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/IOB>. |
| MHRA | 'IOB', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/IOB> [accessed 14 February 2012] |
| Chicago | "IOB", http://www.acronymgeek.com/IOB (accessed February 14, 2012). |
| CBE/CSE | IOB [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/IOB. |
| Bluebook | IOB, http://www.acronymgeek.com/IOB (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, IOB, http://www.acronymgeek.com/IOB (optional description here) (as of Feb. 14, 2012, 07:03). |
| AMA | IOB. Acronym Geek. February 14, 2012, 07:03. Available at: http://www.acronymgeek.com/IOB. Accessed February 14, 2012, 07:03. |