| APA | DFF. (2012, February 14). In Acronym Geek. Retrieved 11:57, February 14, 2012, from http://www.acronymgeek.com/DFF |
| MLA | "DFF." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/DFF>. |
| MHRA | 'DFF', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/DFF> [accessed 14 February 2012] |
| Chicago | "DFF", http://www.acronymgeek.com/DFF (accessed February 14, 2012). |
| CBE/CSE | DFF [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/DFF. |
| Bluebook | DFF, http://www.acronymgeek.com/DFF (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DFF, http://www.acronymgeek.com/DFF (optional description here) (as of Feb. 14, 2012, 11:57). |
| AMA | DFF. Acronym Geek. February 14, 2012, 11:57. Available at: http://www.acronymgeek.com/DFF. Accessed February 14, 2012, 11:57. |