| APA | P/CE. (2012, February 14). In Acronym Geek. Retrieved 03:32, February 14, 2012, from http://www.acronymgeek.com/P/CE |
| MLA | "P/CE." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/P/CE>. |
| MHRA | 'P/CE', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/P/CE> [accessed 14 February 2012] |
| Chicago | "P/CE", http://www.acronymgeek.com/P/CE (accessed February 14, 2012). |
| CBE/CSE | P/CE [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/P/CE. |
| Bluebook | P/CE, http://www.acronymgeek.com/P/CE (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, P/CE, http://www.acronymgeek.com/P/CE (optional description here) (as of Feb. 14, 2012, 03:32). |
| AMA | P/CE. Acronym Geek. February 14, 2012, 03:32. Available at: http://www.acronymgeek.com/P/CE. Accessed February 14, 2012, 03:32. |