| APA | G.I.. (2012, February 15). In Acronym Geek. Retrieved 10:16, February 15, 2012, from http://www.acronymgeek.com/G.I. |
| MLA | "G.I.." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/G.I.>. |
| MHRA | 'G.I.', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/G.I.> [accessed 15 February 2012] |
| Chicago | "G.I.", http://www.acronymgeek.com/G.I. (accessed February 15, 2012). |
| CBE/CSE | G.I. [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/G.I.. |
| Bluebook | G.I., http://www.acronymgeek.com/G.I. (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, G.I., http://www.acronymgeek.com/G.I. (optional description here) (as of Feb. 15, 2012, 10:16). |
| AMA | G.I.. Acronym Geek. February 15, 2012, 10:16. Available at: http://www.acronymgeek.com/G.I.. Accessed February 15, 2012, 10:16. |