| APA | G.D.. (2012, February 14). In Acronym Geek. Retrieved 00:38, February 14, 2012, from http://www.acronymgeek.com/G.D. |
| MLA | "G.D.." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/G.D.>. |
| MHRA | 'G.D.', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/G.D.> [accessed 14 February 2012] |
| Chicago | "G.D.", http://www.acronymgeek.com/G.D. (accessed February 14, 2012). |
| CBE/CSE | G.D. [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/G.D.. |
| Bluebook | G.D., http://www.acronymgeek.com/G.D. (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, G.D., http://www.acronymgeek.com/G.D. (optional description here) (as of Feb. 14, 2012, 00:38). |
| AMA | G.D.. Acronym Geek. February 14, 2012, 00:38. Available at: http://www.acronymgeek.com/G.D.. Accessed February 14, 2012, 00:38. |