| APA | DGFS. (2012, February 14). In Acronym Geek. Retrieved 19:54, February 14, 2012, from http://www.acronymgeek.com/DGFS |
| MLA | "DGFS." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/DGFS>. |
| MHRA | 'DGFS', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/DGFS> [accessed 14 February 2012] |
| Chicago | "DGFS", http://www.acronymgeek.com/DGFS (accessed February 14, 2012). |
| CBE/CSE | DGFS [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/DGFS. |
| Bluebook | DGFS, http://www.acronymgeek.com/DGFS (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DGFS, http://www.acronymgeek.com/DGFS (optional description here) (as of Feb. 14, 2012, 19:54). |
| AMA | DGFS. Acronym Geek. February 14, 2012, 19:54. Available at: http://www.acronymgeek.com/DGFS. Accessed February 14, 2012, 19:54. |