| APA | OIG. (2012, February 9). In Acronym Geek. Retrieved 09:55, February 9, 2012, from http://www.acronymgeek.com/OIG |
| MLA | "OIG." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/OIG>. |
| MHRA | 'OIG', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/OIG> [accessed 9 February 2012] |
| Chicago | "OIG", http://www.acronymgeek.com/OIG (accessed February 9, 2012). |
| CBE/CSE | OIG [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/OIG. |
| Bluebook | OIG, http://www.acronymgeek.com/OIG (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OIG, http://www.acronymgeek.com/OIG (optional description here) (as of Feb. 9, 2012, 09:55). |
| AMA | OIG. Acronym Geek. February 9, 2012, 09:55. Available at: http://www.acronymgeek.com/OIG. Accessed February 9, 2012, 09:55. |