| APA | CPZN. (2012, February 17). In Acronym Geek. Retrieved 01:00, February 17, 2012, from http://www.acronymgeek.com/CPZN |
| MLA | "CPZN." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/CPZN>. |
| MHRA | 'CPZN', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/CPZN> [accessed 17 February 2012] |
| Chicago | "CPZN", http://www.acronymgeek.com/CPZN (accessed February 17, 2012). |
| CBE/CSE | CPZN [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/CPZN. |
| Bluebook | CPZN, http://www.acronymgeek.com/CPZN (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CPZN, http://www.acronymgeek.com/CPZN (optional description here) (as of Feb. 17, 2012, 01:00). |
| AMA | CPZN. Acronym Geek. February 17, 2012, 01:00. Available at: http://www.acronymgeek.com/CPZN. Accessed February 17, 2012, 01:00. |