| APA | DIFV. (2012, February 14). In Acronym Geek. Retrieved 18:41, February 14, 2012, from http://www.acronymgeek.com/DIFV |
| MLA | "DIFV." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/DIFV>. |
| MHRA | 'DIFV', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/DIFV> [accessed 14 February 2012] |
| Chicago | "DIFV", http://www.acronymgeek.com/DIFV (accessed February 14, 2012). |
| CBE/CSE | DIFV [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/DIFV. |
| Bluebook | DIFV, http://www.acronymgeek.com/DIFV (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DIFV, http://www.acronymgeek.com/DIFV (optional description here) (as of Feb. 14, 2012, 18:41). |
| AMA | DIFV. Acronym Geek. February 14, 2012, 18:41. Available at: http://www.acronymgeek.com/DIFV. Accessed February 14, 2012, 18:41. |