| APA | OGI. (2012, February 14). In Acronym Geek. Retrieved 11:10, February 14, 2012, from http://www.acronymgeek.com/OGI |
| MLA | "OGI." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/OGI>. |
| MHRA | 'OGI', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/OGI> [accessed 14 February 2012] |
| Chicago | "OGI", http://www.acronymgeek.com/OGI (accessed February 14, 2012). |
| CBE/CSE | OGI [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/OGI. |
| Bluebook | OGI, http://www.acronymgeek.com/OGI (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OGI, http://www.acronymgeek.com/OGI (optional description here) (as of Feb. 14, 2012, 11:10). |
| AMA | OGI. Acronym Geek. February 14, 2012, 11:10. Available at: http://www.acronymgeek.com/OGI. Accessed February 14, 2012, 11:10. |