| APA | DFDF. (2012, February 16). In Acronym Geek. Retrieved 06:48, February 16, 2012, from http://www.acronymgeek.com/DFDF |
| MLA | "DFDF." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/DFDF>. |
| MHRA | 'DFDF', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/DFDF> [accessed 16 February 2012] |
| Chicago | "DFDF", http://www.acronymgeek.com/DFDF (accessed February 16, 2012). |
| CBE/CSE | DFDF [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/DFDF. |
| Bluebook | DFDF, http://www.acronymgeek.com/DFDF (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DFDF, http://www.acronymgeek.com/DFDF (optional description here) (as of Feb. 16, 2012, 06:48). |
| AMA | DFDF. Acronym Geek. February 16, 2012, 06:48. Available at: http://www.acronymgeek.com/DFDF. Accessed February 16, 2012, 06:48. |