| APA | CPYF. (2012, February 15). In Acronym Geek. Retrieved 20:09, February 15, 2012, from http://www.acronymgeek.com/CPYF |
| MLA | "CPYF." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/CPYF>. |
| MHRA | 'CPYF', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/CPYF> [accessed 15 February 2012] |
| Chicago | "CPYF", http://www.acronymgeek.com/CPYF (accessed February 15, 2012). |
| CBE/CSE | CPYF [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/CPYF. |
| Bluebook | CPYF, http://www.acronymgeek.com/CPYF (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CPYF, http://www.acronymgeek.com/CPYF (optional description here) (as of Feb. 15, 2012, 20:09). |
| AMA | CPYF. Acronym Geek. February 15, 2012, 20:09. Available at: http://www.acronymgeek.com/CPYF. Accessed February 15, 2012, 20:09. |