| APA | IG. (2012, February 14). In Acronym Geek. Retrieved 06:23, February 14, 2012, from http://www.acronymgeek.com/IG |
| MLA | "IG." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/IG>. |
| MHRA | 'IG', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/IG> [accessed 14 February 2012] |
| Chicago | "IG", http://www.acronymgeek.com/IG (accessed February 14, 2012). |
| CBE/CSE | IG [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/IG. |
| Bluebook | IG, http://www.acronymgeek.com/IG (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, IG, http://www.acronymgeek.com/IG (optional description here) (as of Feb. 14, 2012, 06:23). |
| AMA | IG. Acronym Geek. February 14, 2012, 06:23. Available at: http://www.acronymgeek.com/IG. Accessed February 14, 2012, 06:23. |