| APA | GDT. (2012, February 13). In Acronym Geek. Retrieved 20:50, February 13, 2012, from http://www.acronymgeek.com/GDT |
| MLA | "GDT." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/GDT>. |
| MHRA | 'GDT', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/GDT> [accessed 13 February 2012] |
| Chicago | "GDT", http://www.acronymgeek.com/GDT (accessed February 13, 2012). |
| CBE/CSE | GDT [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/GDT. |
| Bluebook | GDT, http://www.acronymgeek.com/GDT (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GDT, http://www.acronymgeek.com/GDT (optional description here) (as of Feb. 13, 2012, 20:50). |
| AMA | GDT. Acronym Geek. February 13, 2012, 20:50. Available at: http://www.acronymgeek.com/GDT. Accessed February 13, 2012, 20:50. |