| APA | GSD. (2012, February 14). In Acronym Geek. Retrieved 10:29, February 14, 2012, from http://www.acronymgeek.com/GSD |
| MLA | "GSD." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/GSD>. |
| MHRA | 'GSD', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/GSD> [accessed 14 February 2012] |
| Chicago | "GSD", http://www.acronymgeek.com/GSD (accessed February 14, 2012). |
| CBE/CSE | GSD [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/GSD. |
| Bluebook | GSD, http://www.acronymgeek.com/GSD (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GSD, http://www.acronymgeek.com/GSD (optional description here) (as of Feb. 14, 2012, 10:29). |
| AMA | GSD. Acronym Geek. February 14, 2012, 10:29. Available at: http://www.acronymgeek.com/GSD. Accessed February 14, 2012, 10:29. |