| APA | GD. (2012, February 14). In Acronym Geek. Retrieved 06:17, February 14, 2012, from http://www.acronymgeek.com/GD |
| MLA | "GD." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/GD>. |
| MHRA | 'GD', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/GD> [accessed 14 February 2012] |
| Chicago | "GD", http://www.acronymgeek.com/GD (accessed February 14, 2012). |
| CBE/CSE | GD [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/GD. |
| Bluebook | GD, http://www.acronymgeek.com/GD (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GD, http://www.acronymgeek.com/GD (optional description here) (as of Feb. 14, 2012, 06:17). |
| AMA | GD. Acronym Geek. February 14, 2012, 06:17. Available at: http://www.acronymgeek.com/GD. Accessed February 14, 2012, 06:17. |