| Style | Reference Text |
|---|
| APA | SP&O. (2012, May 27). In All Acronyms. Retrieved 07:30, May 27, 2012, from http://www.all-acronyms.com/SP%26O |
| MLA | "SP&O." All Acronyms. 27 May 2012, 07:30. All Acronyms. 27 May 2012 <http://www.all-acronyms.com/SP%26O>. |
| MHRA | 'SP&O', All Acronyms, 27 May 2012, 07:30, <http://www.all-acronyms.com/SP%26O> [accessed 27 May 2012] |
| Chicago | "SP&O," http://www.all-acronyms.com/SP%26O (accessed May 27, 2012). |
| CBE/CSE | SP&O [Internet]. All Acronyms; 2012 May 27, 07:30 [cited 2012 May 27]. Available from: http://www.all-acronyms.com/SP%26O. |
| Bluebook | SP&O, http://www.all-acronyms.com/SP%26O (last visited May 27, 2012). |
| Bluebook: Harvard JOLT | See All Acronyms, SP&O, http://www.all-acronyms.com/SP%26O (optional description here) (as of May. 27, 2012, 07:30). |
| AMA | SP&O. All Acronyms. May 27, 2012, 07:30. Available at: http://www.all-acronyms.com/SP%26O. Accessed May 27, 2012. |
System Planning and Operation