| Style | Reference Text |
|---|
| APA | SP-. (2012, May 27). In All Acronyms. Retrieved 07:31, May 27, 2012, from http://www.all-acronyms.com/SP- |
| MLA | "SP-." All Acronyms. 27 May 2012, 07:31. All Acronyms. 27 May 2012 <http://www.all-acronyms.com/SP->. |
| MHRA | 'SP-', All Acronyms, 27 May 2012, 07:31, <http://www.all-acronyms.com/SP-> [accessed 27 May 2012] |
| Chicago | "SP-," http://www.all-acronyms.com/SP- (accessed May 27, 2012). |
| CBE/CSE | SP- [Internet]. All Acronyms; 2012 May 27, 07:31 [cited 2012 May 27]. Available from: http://www.all-acronyms.com/SP-. |
| Bluebook | SP-, http://www.all-acronyms.com/SP- (last visited May 27, 2012). |
| Bluebook: Harvard JOLT | See All Acronyms, SP-, http://www.all-acronyms.com/SP- (optional description here) (as of May. 27, 2012, 07:31). |
| AMA | SP-. All Acronyms. May 27, 2012, 07:31. Available at: http://www.all-acronyms.com/SP-. Accessed May 27, 2012. |
substance P-