| APA | CPYL. (2012, February 16). In Acronym Geek. Retrieved 08:30, February 16, 2012, from http://www.acronymgeek.com/CPYL |
| MLA | "CPYL." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/CPYL>. |
| MHRA | 'CPYL', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/CPYL> [accessed 16 February 2012] |
| Chicago | "CPYL", http://www.acronymgeek.com/CPYL (accessed February 16, 2012). |
| CBE/CSE | CPYL [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/CPYL. |
| Bluebook | CPYL, http://www.acronymgeek.com/CPYL (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CPYL, http://www.acronymgeek.com/CPYL (optional description here) (as of Feb. 16, 2012, 08:30). |
| AMA | CPYL. Acronym Geek. February 16, 2012, 08:30. Available at: http://www.acronymgeek.com/CPYL. Accessed February 16, 2012, 08:30. |