| APA | PHGP. (2012, February 14). In Acronym Geek. Retrieved 15:13, February 14, 2012, from http://www.acronymgeek.com/PHGP |
| MLA | "PHGP." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/PHGP>. |
| MHRA | 'PHGP', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/PHGP> [accessed 14 February 2012] |
| Chicago | "PHGP", http://www.acronymgeek.com/PHGP (accessed February 14, 2012). |
| CBE/CSE | PHGP [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/PHGP. |
| Bluebook | PHGP, http://www.acronymgeek.com/PHGP (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PHGP, http://www.acronymgeek.com/PHGP (optional description here) (as of Feb. 14, 2012, 15:13). |
| AMA | PHGP. Acronym Geek. February 14, 2012, 15:13. Available at: http://www.acronymgeek.com/PHGP. Accessed February 14, 2012, 15:13. |