| APA | D4GS. (2012, February 16). In Acronym Geek. Retrieved 14:30, February 16, 2012, from http://www.acronymgeek.com/D4GS |
| MLA | "D4GS." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/D4GS>. |
| MHRA | 'D4GS', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/D4GS> [accessed 16 February 2012] |
| Chicago | "D4GS", http://www.acronymgeek.com/D4GS (accessed February 16, 2012). |
| CBE/CSE | D4GS [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/D4GS. |
| Bluebook | D4GS, http://www.acronymgeek.com/D4GS (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, D4GS, http://www.acronymgeek.com/D4GS (optional description here) (as of Feb. 16, 2012, 14:30). |
| AMA | D4GS. Acronym Geek. February 16, 2012, 14:30. Available at: http://www.acronymgeek.com/D4GS. Accessed February 16, 2012, 14:30. |