| APA | GSA. (2012, February 14). In Acronym Geek. Retrieved 09:08, February 14, 2012, from http://www.acronymgeek.com/GSA |
| MLA | "GSA." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/GSA>. |
| MHRA | 'GSA', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/GSA> [accessed 14 February 2012] |
| Chicago | "GSA", http://www.acronymgeek.com/GSA (accessed February 14, 2012). |
| CBE/CSE | GSA [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/GSA. |
| Bluebook | GSA, http://www.acronymgeek.com/GSA (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GSA, http://www.acronymgeek.com/GSA (optional description here) (as of Feb. 14, 2012, 09:08). |
| AMA | GSA. Acronym Geek. February 14, 2012, 09:08. Available at: http://www.acronymgeek.com/GSA. Accessed February 14, 2012, 09:08. |