| APA | CPNK. (2012, February 14). In Acronym Geek. Retrieved 14:41, February 14, 2012, from http://www.acronymgeek.com/CPNK |
| MLA | "CPNK." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/CPNK>. |
| MHRA | 'CPNK', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/CPNK> [accessed 14 February 2012] |
| Chicago | "CPNK", http://www.acronymgeek.com/CPNK (accessed February 14, 2012). |
| CBE/CSE | CPNK [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/CPNK. |
| Bluebook | CPNK, http://www.acronymgeek.com/CPNK (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CPNK, http://www.acronymgeek.com/CPNK (optional description here) (as of Feb. 14, 2012, 14:41). |
| AMA | CPNK. Acronym Geek. February 14, 2012, 14:41. Available at: http://www.acronymgeek.com/CPNK. Accessed February 14, 2012, 14:41. |