| APA | IGM. (2012, February 13). In Acronym Geek. Retrieved 22:04, February 13, 2012, from http://www.acronymgeek.com/IGM/alphabetical |
| MLA | "IGM." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/IGM/alphabetical>. |
| MHRA | 'IGM', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/IGM/alphabetical> [accessed 13 February 2012] |
| Chicago | "IGM", http://www.acronymgeek.com/IGM/alphabetical (accessed February 13, 2012). |
| CBE/CSE | IGM [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/IGM/alphabetical. |
| Bluebook | IGM, http://www.acronymgeek.com/IGM/alphabetical (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, IGM, http://www.acronymgeek.com/IGM/alphabetical (optional description here) (as of Feb. 13, 2012, 22:04). |
| AMA | IGM. Acronym Geek. February 13, 2012, 22:04. Available at: http://www.acronymgeek.com/IGM/alphabetical. Accessed February 13, 2012, 22:04. |