| APA | DFFS. (2012, February 16). In Acronym Geek. Retrieved 00:27, February 16, 2012, from http://www.acronymgeek.com/DFFS |
| MLA | "DFFS." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/DFFS>. |
| MHRA | 'DFFS', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/DFFS> [accessed 16 February 2012] |
| Chicago | "DFFS", http://www.acronymgeek.com/DFFS (accessed February 16, 2012). |
| CBE/CSE | DFFS [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/DFFS. |
| Bluebook | DFFS, http://www.acronymgeek.com/DFFS (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DFFS, http://www.acronymgeek.com/DFFS (optional description here) (as of Feb. 16, 2012, 00:27). |
| AMA | DFFS. Acronym Geek. February 16, 2012, 00:27. Available at: http://www.acronymgeek.com/DFFS. Accessed February 16, 2012, 00:27. |