| APA | TDF. (2012, February 4). In Acronym Geek. Retrieved 11:38, February 4, 2012, from http://www.acronymgeek.com/TDF |
| MLA | "TDF." Acronym Geek. (2012). Acronym Geek. 4 Feb 2012 <http://www.acronymgeek.com/TDF>. |
| MHRA | 'TDF', Acronym Geek, 4 February 2012, <http://www.acronymgeek.com/TDF> [accessed 4 February 2012] |
| Chicago | "TDF", http://www.acronymgeek.com/TDF (accessed February 4, 2012). |
| CBE/CSE | TDF [Internet]. Acronym Geek; 2012 Feb 4 [cited 2012 Feb 4]. Available from: http://www.acronymgeek.com/TDF. |
| Bluebook | TDF, http://www.acronymgeek.com/TDF (last visited February 4, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, TDF, http://www.acronymgeek.com/TDF (optional description here) (as of Feb. 4, 2012, 11:38). |
| AMA | TDF. Acronym Geek. February 4, 2012, 11:38. Available at: http://www.acronymgeek.com/TDF. Accessed February 4, 2012, 11:38. |