| APA | GKY. (2012, February 15). In Acronym Geek. Retrieved 03:27, February 15, 2012, from http://www.acronymgeek.com/GKY |
| MLA | "GKY." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/GKY>. |
| MHRA | 'GKY', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/GKY> [accessed 15 February 2012] |
| Chicago | "GKY", http://www.acronymgeek.com/GKY (accessed February 15, 2012). |
| CBE/CSE | GKY [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/GKY. |
| Bluebook | GKY, http://www.acronymgeek.com/GKY (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GKY, http://www.acronymgeek.com/GKY (optional description here) (as of Feb. 15, 2012, 03:27). |
| AMA | GKY. Acronym Geek. February 15, 2012, 03:27. Available at: http://www.acronymgeek.com/GKY. Accessed February 15, 2012, 03:27. |