| APA | DKFO. (2012, February 16). In Acronym Geek. Retrieved 18:36, February 16, 2012, from http://www.acronymgeek.com/DKFO |
| MLA | "DKFO." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/DKFO>. |
| MHRA | 'DKFO', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/DKFO> [accessed 16 February 2012] |
| Chicago | "DKFO", http://www.acronymgeek.com/DKFO (accessed February 16, 2012). |
| CBE/CSE | DKFO [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/DKFO. |
| Bluebook | DKFO, http://www.acronymgeek.com/DKFO (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DKFO, http://www.acronymgeek.com/DKFO (optional description here) (as of Feb. 16, 2012, 18:36). |
| AMA | DKFO. Acronym Geek. February 16, 2012, 18:36. Available at: http://www.acronymgeek.com/DKFO. Accessed February 16, 2012, 18:36. |