| APA | GSAS. (2012, February 15). In Acronym Geek. Retrieved 12:55, February 15, 2012, from http://www.acronymgeek.com/GSAS |
| MLA | "GSAS." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/GSAS>. |
| MHRA | 'GSAS', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/GSAS> [accessed 15 February 2012] |
| Chicago | "GSAS", http://www.acronymgeek.com/GSAS (accessed February 15, 2012). |
| CBE/CSE | GSAS [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/GSAS. |
| Bluebook | GSAS, http://www.acronymgeek.com/GSAS (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GSAS, http://www.acronymgeek.com/GSAS (optional description here) (as of Feb. 15, 2012, 12:55). |
| AMA | GSAS. Acronym Geek. February 15, 2012, 12:55. Available at: http://www.acronymgeek.com/GSAS. Accessed February 15, 2012, 12:55. |