| Style | Reference Text |
|---|
| APA | SP-. (2013, June 19). In All Acronyms. Retrieved 11:25, June 19, 2013, from http://www.allacronyms.com/SP- |
| MLA | "SP-." All Acronyms. 19 Jun 2013, 11:25. All Acronyms. 19 Jun 2013 <http://www.allacronyms.com/SP->. |
| MHRA | 'SP-', All Acronyms, 19 June 2013, 11:25, <http://www.allacronyms.com/SP-> [accessed 19 June 2013] |
| Chicago | "SP-," http://www.allacronyms.com/SP- (accessed June 19, 2013). |
| CBE/CSE | SP- [Internet]. All Acronyms; 2013 Jun 19, 11:25 [cited 2013 Jun 19]. Available from: http://www.allacronyms.com/SP-. |
| Bluebook | SP-, http://www.allacronyms.com/SP- (last visited June 19, 2013). |
| Bluebook: Harvard JOLT | See All Acronyms, SP-, http://www.allacronyms.com/SP- (optional description here) (as of Jun. 19, 2013, 11:25). |
| AMA | SP-. All Acronyms. June 19, 2013, 11:25. Available at: http://www.allacronyms.com/SP-. Accessed June 19, 2013. |
substance P-