| APA | GSA'S. (2012, February 10). In Acronym Geek. Retrieved 10:04, February 10, 2012, from http://www.acronymgeek.com/GSA'S |
| MLA | "GSA'S." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/GSA'S>. |
| MHRA | 'GSA'S', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/GSA'S> [accessed 10 February 2012] |
| Chicago | "GSA'S", http://www.acronymgeek.com/GSA'S (accessed February 10, 2012). |
| CBE/CSE | GSA'S [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/GSA'S. |
| Bluebook | GSA'S, http://www.acronymgeek.com/GSA'S (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GSA'S, http://www.acronymgeek.com/GSA'S (optional description here) (as of Feb. 10, 2012, 10:04). |
| AMA | GSA'S. Acronym Geek. February 10, 2012, 10:04. Available at: http://www.acronymgeek.com/GSA'S. Accessed February 10, 2012, 10:04. |