| APA | IGOS. (2012, February 15). In Acronym Geek. Retrieved 23:05, February 15, 2012, from http://www.acronymgeek.com/IGOS |
| MLA | "IGOS." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/IGOS>. |
| MHRA | 'IGOS', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/IGOS> [accessed 15 February 2012] |
| Chicago | "IGOS", http://www.acronymgeek.com/IGOS (accessed February 15, 2012). |
| CBE/CSE | IGOS [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/IGOS. |
| Bluebook | IGOS, http://www.acronymgeek.com/IGOS (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, IGOS, http://www.acronymgeek.com/IGOS (optional description here) (as of Feb. 15, 2012, 23:05). |
| AMA | IGOS. Acronym Geek. February 15, 2012, 23:05. Available at: http://www.acronymgeek.com/IGOS. Accessed February 15, 2012, 23:05. |