| APA | IFGS. (2012, February 16). In Acronym Geek. Retrieved 18:08, February 16, 2012, from http://www.acronymgeek.com/IFGS |
| MLA | "IFGS." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/IFGS>. |
| MHRA | 'IFGS', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/IFGS> [accessed 16 February 2012] |
| Chicago | "IFGS", http://www.acronymgeek.com/IFGS (accessed February 16, 2012). |
| CBE/CSE | IFGS [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/IFGS. |
| Bluebook | IFGS, http://www.acronymgeek.com/IFGS (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, IFGS, http://www.acronymgeek.com/IFGS (optional description here) (as of Feb. 16, 2012, 18:08). |
| AMA | IFGS. Acronym Geek. February 16, 2012, 18:08. Available at: http://www.acronymgeek.com/IFGS. Accessed February 16, 2012, 18:08. |