| APA | GSUL. (2012, February 14). In Acronym Geek. Retrieved 16:54, February 14, 2012, from http://www.acronymgeek.com/GSUL |
| MLA | "GSUL." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/GSUL>. |
| MHRA | 'GSUL', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/GSUL> [accessed 14 February 2012] |
| Chicago | "GSUL", http://www.acronymgeek.com/GSUL (accessed February 14, 2012). |
| CBE/CSE | GSUL [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/GSUL. |
| Bluebook | GSUL, http://www.acronymgeek.com/GSUL (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GSUL, http://www.acronymgeek.com/GSUL (optional description here) (as of Feb. 14, 2012, 16:54). |
| AMA | GSUL. Acronym Geek. February 14, 2012, 16:54. Available at: http://www.acronymgeek.com/GSUL. Accessed February 14, 2012, 16:54. |