| APA | CPNX. (2012, February 16). In Acronym Geek. Retrieved 21:37, February 16, 2012, from http://www.acronymgeek.com/CPNX |
| MLA | "CPNX." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/CPNX>. |
| MHRA | 'CPNX', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/CPNX> [accessed 16 February 2012] |
| Chicago | "CPNX", http://www.acronymgeek.com/CPNX (accessed February 16, 2012). |
| CBE/CSE | CPNX [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/CPNX. |
| Bluebook | CPNX, http://www.acronymgeek.com/CPNX (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CPNX, http://www.acronymgeek.com/CPNX (optional description here) (as of Feb. 16, 2012, 21:37). |
| AMA | CPNX. Acronym Geek. February 16, 2012, 21:37. Available at: http://www.acronymgeek.com/CPNX. Accessed February 16, 2012, 21:37. |