| APA | GSLS. (2012, February 17). In Acronym Geek. Retrieved 07:45, February 17, 2012, from http://www.acronymgeek.com/GSLS |
| MLA | "GSLS." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/GSLS>. |
| MHRA | 'GSLS', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/GSLS> [accessed 17 February 2012] |
| Chicago | "GSLS", http://www.acronymgeek.com/GSLS (accessed February 17, 2012). |
| CBE/CSE | GSLS [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/GSLS. |
| Bluebook | GSLS, http://www.acronymgeek.com/GSLS (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GSLS, http://www.acronymgeek.com/GSLS (optional description here) (as of Feb. 17, 2012, 07:45). |
| AMA | GSLS. Acronym Geek. February 17, 2012, 07:45. Available at: http://www.acronymgeek.com/GSLS. Accessed February 17, 2012, 07:45. |