| Style | Reference Text |
|---|
| APA | SPO. (2013, May 23). In All Acronyms. Retrieved 20:28, May 23, 2013, from http://www.all-acronyms.com/cat/7/SPO/alpha |
| MLA | "SPO." All Acronyms. 23 May 2013, 20:28. All Acronyms. 23 May 2013 <http://www.all-acronyms.com/cat/7/SPO/alpha>. |
| MHRA | 'SPO', All Acronyms, 23 May 2013, 20:28, <http://www.all-acronyms.com/cat/7/SPO/alpha> [accessed 23 May 2013] |
| Chicago | "SPO," http://www.all-acronyms.com/cat/7/SPO/alpha (accessed May 23, 2013). |
| CBE/CSE | SPO [Internet]. All Acronyms; 2013 May 23, 20:28 [cited 2013 May 23]. Available from: http://www.all-acronyms.com/cat/7/SPO/alpha. |
| Bluebook | SPO, http://www.all-acronyms.com/cat/7/SPO/alpha (last visited May 23, 2013). |
| Bluebook: Harvard JOLT | See All Acronyms, SPO, http://www.all-acronyms.com/cat/7/SPO/alpha (optional description here) (as of May. 23, 2013, 20:28). |
| AMA | SPO. All Acronyms. May 23, 2013, 20:28. Available at: http://www.all-acronyms.com/cat/7/SPO/alpha. Accessed May 23, 2013. |
salivary peroxidase