| APA | GY. (2012, February 10). In Acronym Geek. Retrieved 08:27, February 10, 2012, from http://www.acronymgeek.com/GY |
| MLA | "GY." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/GY>. |
| MHRA | 'GY', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/GY> [accessed 10 February 2012] |
| Chicago | "GY", http://www.acronymgeek.com/GY (accessed February 10, 2012). |
| CBE/CSE | GY [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/GY. |
| Bluebook | GY, http://www.acronymgeek.com/GY (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GY, http://www.acronymgeek.com/GY (optional description here) (as of Feb. 10, 2012, 08:27). |
| AMA | GY. Acronym Geek. February 10, 2012, 08:27. Available at: http://www.acronymgeek.com/GY. Accessed February 10, 2012, 08:27. |