| APA | GYI. (2012, February 11). In Acronym Geek. Retrieved 17:09, February 11, 2012, from http://www.acronymgeek.com/GYI |
| MLA | "GYI." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/GYI>. |
| MHRA | 'GYI', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/GYI> [accessed 11 February 2012] |
| Chicago | "GYI", http://www.acronymgeek.com/GYI (accessed February 11, 2012). |
| CBE/CSE | GYI [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/GYI. |
| Bluebook | GYI, http://www.acronymgeek.com/GYI (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GYI, http://www.acronymgeek.com/GYI (optional description here) (as of Feb. 11, 2012, 17:09). |
| AMA | GYI. Acronym Geek. February 11, 2012, 17:09. Available at: http://www.acronymgeek.com/GYI. Accessed February 11, 2012, 17:09. |