| APA | GYY. (2012, February 11). In Acronym Geek. Retrieved 22:43, February 11, 2012, from http://www.acronymgeek.com/GYY |
| MLA | "GYY." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/GYY>. |
| MHRA | 'GYY', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/GYY> [accessed 11 February 2012] |
| Chicago | "GYY", http://www.acronymgeek.com/GYY (accessed February 11, 2012). |
| CBE/CSE | GYY [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/GYY. |
| Bluebook | GYY, http://www.acronymgeek.com/GYY (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GYY, http://www.acronymgeek.com/GYY (optional description here) (as of Feb. 11, 2012, 22:43). |
| AMA | GYY. Acronym Geek. February 11, 2012, 22:43. Available at: http://www.acronymgeek.com/GYY. Accessed February 11, 2012, 22:43. |