| APA | DFLU. (2012, February 14). In Acronym Geek. Retrieved 19:55, February 14, 2012, from http://www.acronymgeek.com/DFLU |
| MLA | "DFLU." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/DFLU>. |
| MHRA | 'DFLU', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/DFLU> [accessed 14 February 2012] |
| Chicago | "DFLU", http://www.acronymgeek.com/DFLU (accessed February 14, 2012). |
| CBE/CSE | DFLU [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/DFLU. |
| Bluebook | DFLU, http://www.acronymgeek.com/DFLU (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DFLU, http://www.acronymgeek.com/DFLU (optional description here) (as of Feb. 14, 2012, 19:55). |
| AMA | DFLU. Acronym Geek. February 14, 2012, 19:55. Available at: http://www.acronymgeek.com/DFLU. Accessed February 14, 2012, 19:55. |