| APA | IFG. (2012, February 13). In Acronym Geek. Retrieved 21:47, February 13, 2012, from http://www.acronymgeek.com/IFG |
| MLA | "IFG." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/IFG>. |
| MHRA | 'IFG', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/IFG> [accessed 13 February 2012] |
| Chicago | "IFG", http://www.acronymgeek.com/IFG (accessed February 13, 2012). |
| CBE/CSE | IFG [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/IFG. |
| Bluebook | IFG, http://www.acronymgeek.com/IFG (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, IFG, http://www.acronymgeek.com/IFG (optional description here) (as of Feb. 13, 2012, 21:47). |
| AMA | IFG. Acronym Geek. February 13, 2012, 21:47. Available at: http://www.acronymgeek.com/IFG. Accessed February 13, 2012, 21:47. |