| APA | CPX. (2012, February 10). In Acronym Geek. Retrieved 10:48, February 10, 2012, from http://www.acronymgeek.com/CPX |
| MLA | "CPX." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/CPX>. |
| MHRA | 'CPX', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/CPX> [accessed 10 February 2012] |
| Chicago | "CPX", http://www.acronymgeek.com/CPX (accessed February 10, 2012). |
| CBE/CSE | CPX [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/CPX. |
| Bluebook | CPX, http://www.acronymgeek.com/CPX (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CPX, http://www.acronymgeek.com/CPX (optional description here) (as of Feb. 10, 2012, 10:48). |
| AMA | CPX. Acronym Geek. February 10, 2012, 10:48. Available at: http://www.acronymgeek.com/CPX. Accessed February 10, 2012, 10:48. |