| APA | CPH. (2012, February 9). In Acronym Geek. Retrieved 20:26, February 9, 2012, from http://www.acronymgeek.com/CPH |
| MLA | "CPH." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/CPH>. |
| MHRA | 'CPH', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/CPH> [accessed 9 February 2012] |
| Chicago | "CPH", http://www.acronymgeek.com/CPH (accessed February 9, 2012). |
| CBE/CSE | CPH [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/CPH. |
| Bluebook | CPH, http://www.acronymgeek.com/CPH (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CPH, http://www.acronymgeek.com/CPH (optional description here) (as of Feb. 9, 2012, 20:26). |
| AMA | CPH. Acronym Geek. February 9, 2012, 20:26. Available at: http://www.acronymgeek.com/CPH. Accessed February 9, 2012, 20:26. |