| Style | Reference Text |
|---|
| APA | SP&I/O. (2009, November 28). In All Acronyms. Retrieved 03:03, November 28, 2009, from http://www.all-acronyms.com/SP%26I%2FO |
| MLA | "SP&I/O." All Acronyms. 28 Nov 2009, 03:03. All Acronyms. 28 Nov 2009 <http://www.all-acronyms.com/SP%26I%2FO>. |
| MHRA | 'SP&I/O', All Acronyms, 28 November 2009, 03:03, <http://www.all-acronyms.com/SP%26I%2FO> [accessed 28 November 2009] |
| Chicago | "SP&I/O," http://www.all-acronyms.com/SP%26I%2FO (accessed November 28, 2009). |
| CBE/CSE | SP&I/O [Internet]. All Acronyms; 2009 Nov 28, 03:03 [cited 2009 Nov 28]. Available from: http://www.all-acronyms.com/SP%26I%2FO. |
| Bluebook | SP&I/O, http://www.all-acronyms.com/SP%26I%2FO (last visited November 28, 2009). |
| Bluebook: Harvard JOLT | See All Acronyms, SP&I/O, http://www.all-acronyms.com/SP%26I%2FO (optional description here) (as of Nov. 28, 2009, 03:03). |
| AMA | SP&I/O. All Acronyms. November 28, 2009, 03:03. Available at: http://www.all-acronyms.com/SP%26I%2FO. Accessed November 28, 2009. |