| APA | SPRH. (2012, February 15). In Acronym Geek. Retrieved 18:26, February 15, 2012, from http://www.acronymgeek.com/SPRH |
| MLA | "SPRH." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/SPRH>. |
| MHRA | 'SPRH', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/SPRH> [accessed 15 February 2012] |
| Chicago | "SPRH", http://www.acronymgeek.com/SPRH (accessed February 15, 2012). |
| CBE/CSE | SPRH [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/SPRH. |
| Bluebook | SPRH, http://www.acronymgeek.com/SPRH (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SPRH, http://www.acronymgeek.com/SPRH (optional description here) (as of Feb. 15, 2012, 18:26). |
| AMA | SPRH. Acronym Geek. February 15, 2012, 18:26. Available at: http://www.acronymgeek.com/SPRH. Accessed February 15, 2012, 18:26. |