| Style | Reference Text |
|---|
| APA | PT&F. (2013, May 19). In All Acronyms. Retrieved 20:29, May 19, 2013, from http://www.all-acronyms.com/PT%26F |
| MLA | "PT&F." All Acronyms. 19 May 2013, 20:29. All Acronyms. 19 May 2013 <http://www.all-acronyms.com/PT%26F>. |
| MHRA | 'PT&F', All Acronyms, 19 May 2013, 20:29, <http://www.all-acronyms.com/PT%26F> [accessed 19 May 2013] |
| Chicago | "PT&F," http://www.all-acronyms.com/PT%26F (accessed May 19, 2013). |
| CBE/CSE | PT&F [Internet]. All Acronyms; 2013 May 19, 20:29 [cited 2013 May 19]. Available from: http://www.all-acronyms.com/PT%26F. |
| Bluebook | PT&F, http://www.all-acronyms.com/PT%26F (last visited May 19, 2013). |
| Bluebook: Harvard JOLT | See All Acronyms, PT&F, http://www.all-acronyms.com/PT%26F (optional description here) (as of May. 19, 2013, 20:29). |
| AMA | PT&F. All Acronyms. May 19, 2013, 20:29. Available at: http://www.all-acronyms.com/PT%26F. Accessed May 19, 2013. |
Precise Time and Frequency