| APA | DFIV. (2012, February 15). In Acronym Geek. Retrieved 13:26, February 15, 2012, from http://www.acronymgeek.com/DFIV |
| MLA | "DFIV." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/DFIV>. |
| MHRA | 'DFIV', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/DFIV> [accessed 15 February 2012] |
| Chicago | "DFIV", http://www.acronymgeek.com/DFIV (accessed February 15, 2012). |
| CBE/CSE | DFIV [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/DFIV. |
| Bluebook | DFIV, http://www.acronymgeek.com/DFIV (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DFIV, http://www.acronymgeek.com/DFIV (optional description here) (as of Feb. 15, 2012, 13:26). |
| AMA | DFIV. Acronym Geek. February 15, 2012, 13:26. Available at: http://www.acronymgeek.com/DFIV. Accessed February 15, 2012, 13:26. |