| APA | SFDF. (2012, February 15). In Acronym Geek. Retrieved 03:57, February 15, 2012, from http://www.acronymgeek.com/SFDF |
| MLA | "SFDF." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/SFDF>. |
| MHRA | 'SFDF', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/SFDF> [accessed 15 February 2012] |
| Chicago | "SFDF", http://www.acronymgeek.com/SFDF (accessed February 15, 2012). |
| CBE/CSE | SFDF [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/SFDF. |
| Bluebook | SFDF, http://www.acronymgeek.com/SFDF (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SFDF, http://www.acronymgeek.com/SFDF (optional description here) (as of Feb. 15, 2012, 03:57). |
| AMA | SFDF. Acronym Geek. February 15, 2012, 03:57. Available at: http://www.acronymgeek.com/SFDF. Accessed February 15, 2012, 03:57. |