| APA | DFYK. (2012, February 15). In Acronym Geek. Retrieved 13:06, February 15, 2012, from http://www.acronymgeek.com/DFYK |
| MLA | "DFYK." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/DFYK>. |
| MHRA | 'DFYK', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/DFYK> [accessed 15 February 2012] |
| Chicago | "DFYK", http://www.acronymgeek.com/DFYK (accessed February 15, 2012). |
| CBE/CSE | DFYK [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/DFYK. |
| Bluebook | DFYK, http://www.acronymgeek.com/DFYK (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DFYK, http://www.acronymgeek.com/DFYK (optional description here) (as of Feb. 15, 2012, 13:06). |
| AMA | DFYK. Acronym Geek. February 15, 2012, 13:06. Available at: http://www.acronymgeek.com/DFYK. Accessed February 15, 2012, 13:06. |