| APA | OIGS. (2012, February 16). In Acronym Geek. Retrieved 18:29, February 16, 2012, from http://www.acronymgeek.com/OIGS |
| MLA | "OIGS." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/OIGS>. |
| MHRA | 'OIGS', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/OIGS> [accessed 16 February 2012] |
| Chicago | "OIGS", http://www.acronymgeek.com/OIGS (accessed February 16, 2012). |
| CBE/CSE | OIGS [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/OIGS. |
| Bluebook | OIGS, http://www.acronymgeek.com/OIGS (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OIGS, http://www.acronymgeek.com/OIGS (optional description here) (as of Feb. 16, 2012, 18:29). |
| AMA | OIGS. Acronym Geek. February 16, 2012, 18:29. Available at: http://www.acronymgeek.com/OIGS. Accessed February 16, 2012, 18:29. |