| APA | CEP. (2012, February 13). In Acronym Geek. Retrieved 22:59, February 13, 2012, from http://www.acronymgeek.com/CEP |
| MLA | "CEP." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/CEP>. |
| MHRA | 'CEP', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/CEP> [accessed 13 February 2012] |
| Chicago | "CEP", http://www.acronymgeek.com/CEP (accessed February 13, 2012). |
| CBE/CSE | CEP [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/CEP. |
| Bluebook | CEP, http://www.acronymgeek.com/CEP (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CEP, http://www.acronymgeek.com/CEP (optional description here) (as of Feb. 13, 2012, 22:59). |
| AMA | CEP. Acronym Geek. February 13, 2012, 22:59. Available at: http://www.acronymgeek.com/CEP. Accessed February 13, 2012, 22:59. |