| APA | PHCS. (2012, February 14). In Acronym Geek. Retrieved 20:24, February 14, 2012, from http://www.acronymgeek.com/PHCS |
| MLA | "PHCS." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/PHCS>. |
| MHRA | 'PHCS', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/PHCS> [accessed 14 February 2012] |
| Chicago | "PHCS", http://www.acronymgeek.com/PHCS (accessed February 14, 2012). |
| CBE/CSE | PHCS [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/PHCS. |
| Bluebook | PHCS, http://www.acronymgeek.com/PHCS (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PHCS, http://www.acronymgeek.com/PHCS (optional description here) (as of Feb. 14, 2012, 20:24). |
| AMA | PHCS. Acronym Geek. February 14, 2012, 20:24. Available at: http://www.acronymgeek.com/PHCS. Accessed February 14, 2012, 20:24. |