| APA | CPOX. (2012, February 9). In Acronym Geek. Retrieved 21:22, February 9, 2012, from http://www.acronymgeek.com/CPOX |
| MLA | "CPOX." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/CPOX>. |
| MHRA | 'CPOX', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/CPOX> [accessed 9 February 2012] |
| Chicago | "CPOX", http://www.acronymgeek.com/CPOX (accessed February 9, 2012). |
| CBE/CSE | CPOX [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/CPOX. |
| Bluebook | CPOX, http://www.acronymgeek.com/CPOX (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CPOX, http://www.acronymgeek.com/CPOX (optional description here) (as of Feb. 9, 2012, 21:22). |
| AMA | CPOX. Acronym Geek. February 9, 2012, 21:22. Available at: http://www.acronymgeek.com/CPOX. Accessed February 9, 2012, 21:22. |