| APA | RPHI. (2012, February 15). In Acronym Geek. Retrieved 18:27, February 15, 2012, from http://www.acronymgeek.com/RPHI |
| MLA | "RPHI." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/RPHI>. |
| MHRA | 'RPHI', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/RPHI> [accessed 15 February 2012] |
| Chicago | "RPHI", http://www.acronymgeek.com/RPHI (accessed February 15, 2012). |
| CBE/CSE | RPHI [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/RPHI. |
| Bluebook | RPHI, http://www.acronymgeek.com/RPHI (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, RPHI, http://www.acronymgeek.com/RPHI (optional description here) (as of Feb. 15, 2012, 18:27). |
| AMA | RPHI. Acronym Geek. February 15, 2012, 18:27. Available at: http://www.acronymgeek.com/RPHI. Accessed February 15, 2012, 18:27. |