| APA | PTVFD. (2012, February 12). In Acronym Geek. Retrieved 11:36, February 12, 2012, from http://www.acronymgeek.com/PTVFD |
| MLA | "PTVFD." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/PTVFD>. |
| MHRA | 'PTVFD', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/PTVFD> [accessed 12 February 2012] |
| Chicago | "PTVFD", http://www.acronymgeek.com/PTVFD (accessed February 12, 2012). |
| CBE/CSE | PTVFD [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/PTVFD. |
| Bluebook | PTVFD, http://www.acronymgeek.com/PTVFD (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PTVFD, http://www.acronymgeek.com/PTVFD (optional description here) (as of Feb. 12, 2012, 11:36). |
| AMA | PTVFD. Acronym Geek. February 12, 2012, 11:36. Available at: http://www.acronymgeek.com/PTVFD. Accessed February 12, 2012, 11:36. |