| APA | PHCE. (2012, February 15). In Acronym Geek. Retrieved 11:25, February 15, 2012, from http://www.acronymgeek.com/PHCE |
| MLA | "PHCE." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/PHCE>. |
| MHRA | 'PHCE', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/PHCE> [accessed 15 February 2012] |
| Chicago | "PHCE", http://www.acronymgeek.com/PHCE (accessed February 15, 2012). |
| CBE/CSE | PHCE [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/PHCE. |
| Bluebook | PHCE, http://www.acronymgeek.com/PHCE (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PHCE, http://www.acronymgeek.com/PHCE (optional description here) (as of Feb. 15, 2012, 11:25). |
| AMA | PHCE. Acronym Geek. February 15, 2012, 11:25. Available at: http://www.acronymgeek.com/PHCE. Accessed February 15, 2012, 11:25. |