| APA | GL. (2012, February 14). In Acronym Geek. Retrieved 06:19, February 14, 2012, from http://www.acronymgeek.com/GL |
| MLA | "GL." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/GL>. |
| MHRA | 'GL', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/GL> [accessed 14 February 2012] |
| Chicago | "GL", http://www.acronymgeek.com/GL (accessed February 14, 2012). |
| CBE/CSE | GL [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/GL. |
| Bluebook | GL, http://www.acronymgeek.com/GL (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GL, http://www.acronymgeek.com/GL (optional description here) (as of Feb. 14, 2012, 06:19). |
| AMA | GL. Acronym Geek. February 14, 2012, 06:19. Available at: http://www.acronymgeek.com/GL. Accessed February 14, 2012, 06:19. |