| APA | DYYF. (2012, February 15). In Acronym Geek. Retrieved 14:30, February 15, 2012, from http://www.acronymgeek.com/DYYF |
| MLA | "DYYF." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/DYYF>. |
| MHRA | 'DYYF', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/DYYF> [accessed 15 February 2012] |
| Chicago | "DYYF", http://www.acronymgeek.com/DYYF (accessed February 15, 2012). |
| CBE/CSE | DYYF [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/DYYF. |
| Bluebook | DYYF, http://www.acronymgeek.com/DYYF (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DYYF, http://www.acronymgeek.com/DYYF (optional description here) (as of Feb. 15, 2012, 14:30). |
| AMA | DYYF. Acronym Geek. February 15, 2012, 14:30. Available at: http://www.acronymgeek.com/DYYF. Accessed February 15, 2012, 14:30. |