| APA | DFR. (2012, February 14). In Acronym Geek. Retrieved 19:38, February 14, 2012, from http://www.acronymgeek.com/DFR |
| MLA | "DFR." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/DFR>. |
| MHRA | 'DFR', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/DFR> [accessed 14 February 2012] |
| Chicago | "DFR", http://www.acronymgeek.com/DFR (accessed February 14, 2012). |
| CBE/CSE | DFR [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/DFR. |
| Bluebook | DFR, http://www.acronymgeek.com/DFR (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DFR, http://www.acronymgeek.com/DFR (optional description here) (as of Feb. 14, 2012, 19:38). |
| AMA | DFR. Acronym Geek. February 14, 2012, 19:38. Available at: http://www.acronymgeek.com/DFR. Accessed February 14, 2012, 19:38. |