| APA | DAYF. (2012, February 16). In Acronym Geek. Retrieved 05:13, February 16, 2012, from http://www.acronymgeek.com/DAYF |
| MLA | "DAYF." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/DAYF>. |
| MHRA | 'DAYF', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/DAYF> [accessed 16 February 2012] |
| Chicago | "DAYF", http://www.acronymgeek.com/DAYF (accessed February 16, 2012). |
| CBE/CSE | DAYF [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/DAYF. |
| Bluebook | DAYF, http://www.acronymgeek.com/DAYF (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DAYF, http://www.acronymgeek.com/DAYF (optional description here) (as of Feb. 16, 2012, 05:13). |
| AMA | DAYF. Acronym Geek. February 16, 2012, 05:13. Available at: http://www.acronymgeek.com/DAYF. Accessed February 16, 2012, 05:13. |