| APA | CPNE. (2012, February 16). In Acronym Geek. Retrieved 09:56, February 16, 2012, from http://www.acronymgeek.com/CPNE |
| MLA | "CPNE." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/CPNE>. |
| MHRA | 'CPNE', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/CPNE> [accessed 16 February 2012] |
| Chicago | "CPNE", http://www.acronymgeek.com/CPNE (accessed February 16, 2012). |
| CBE/CSE | CPNE [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/CPNE. |
| Bluebook | CPNE, http://www.acronymgeek.com/CPNE (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CPNE, http://www.acronymgeek.com/CPNE (optional description here) (as of Feb. 16, 2012, 09:56). |
| AMA | CPNE. Acronym Geek. February 16, 2012, 09:56. Available at: http://www.acronymgeek.com/CPNE. Accessed February 16, 2012, 09:56. |