| APA | PTFU. (2012, February 14). In Acronym Geek. Retrieved 19:08, February 14, 2012, from http://www.acronymgeek.com/PTFU |
| MLA | "PTFU." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/PTFU>. |
| MHRA | 'PTFU', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/PTFU> [accessed 14 February 2012] |
| Chicago | "PTFU", http://www.acronymgeek.com/PTFU (accessed February 14, 2012). |
| CBE/CSE | PTFU [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/PTFU. |
| Bluebook | PTFU, http://www.acronymgeek.com/PTFU (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PTFU, http://www.acronymgeek.com/PTFU (optional description here) (as of Feb. 14, 2012, 19:08). |
| AMA | PTFU. Acronym Geek. February 14, 2012, 19:08. Available at: http://www.acronymgeek.com/PTFU. Accessed February 14, 2012, 19:08. |