| APA | DIFY. (2012, February 14). In Acronym Geek. Retrieved 21:07, February 14, 2012, from http://www.acronymgeek.com/DIFY |
| MLA | "DIFY." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/DIFY>. |
| MHRA | 'DIFY', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/DIFY> [accessed 14 February 2012] |
| Chicago | "DIFY", http://www.acronymgeek.com/DIFY (accessed February 14, 2012). |
| CBE/CSE | DIFY [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/DIFY. |
| Bluebook | DIFY, http://www.acronymgeek.com/DIFY (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DIFY, http://www.acronymgeek.com/DIFY (optional description here) (as of Feb. 14, 2012, 21:07). |
| AMA | DIFY. Acronym Geek. February 14, 2012, 21:07. Available at: http://www.acronymgeek.com/DIFY. Accessed February 14, 2012, 21:07. |