| APA | GKL. (2012, February 14). In Acronym Geek. Retrieved 06:34, February 14, 2012, from http://www.acronymgeek.com/GKL |
| MLA | "GKL." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/GKL>. |
| MHRA | 'GKL', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/GKL> [accessed 14 February 2012] |
| Chicago | "GKL", http://www.acronymgeek.com/GKL (accessed February 14, 2012). |
| CBE/CSE | GKL [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/GKL. |
| Bluebook | GKL, http://www.acronymgeek.com/GKL (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GKL, http://www.acronymgeek.com/GKL (optional description here) (as of Feb. 14, 2012, 06:34). |
| AMA | GKL. Acronym Geek. February 14, 2012, 06:34. Available at: http://www.acronymgeek.com/GKL. Accessed February 14, 2012, 06:34. |