| APA | PIYH. (2012, February 14). In Acronym Geek. Retrieved 21:32, February 14, 2012, from http://www.acronymgeek.com/PIYH |
| MLA | "PIYH." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/PIYH>. |
| MHRA | 'PIYH', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/PIYH> [accessed 14 February 2012] |
| Chicago | "PIYH", http://www.acronymgeek.com/PIYH (accessed February 14, 2012). |
| CBE/CSE | PIYH [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/PIYH. |
| Bluebook | PIYH, http://www.acronymgeek.com/PIYH (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PIYH, http://www.acronymgeek.com/PIYH (optional description here) (as of Feb. 14, 2012, 21:32). |
| AMA | PIYH. Acronym Geek. February 14, 2012, 21:32. Available at: http://www.acronymgeek.com/PIYH. Accessed February 14, 2012, 21:32. |