| APA | DF2. (2012, February 11). In Acronym Geek. Retrieved 18:09, February 11, 2012, from http://www.acronymgeek.com/DF2 |
| MLA | "DF2." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/DF2>. |
| MHRA | 'DF2', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/DF2> [accessed 11 February 2012] |
| Chicago | "DF2", http://www.acronymgeek.com/DF2 (accessed February 11, 2012). |
| CBE/CSE | DF2 [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/DF2. |
| Bluebook | DF2, http://www.acronymgeek.com/DF2 (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DF2, http://www.acronymgeek.com/DF2 (optional description here) (as of Feb. 11, 2012, 18:09). |
| AMA | DF2. Acronym Geek. February 11, 2012, 18:09. Available at: http://www.acronymgeek.com/DF2. Accessed February 11, 2012, 18:09. |