| Style | Reference Text |
|---|
| APA | UPSI. (2009, November 21). In All Acronyms. Retrieved 11:33, November 21, 2009, from http://www.all-acronyms.com/UPSI |
| MLA | "UPSI." All Acronyms. 21 Nov 2009, 11:33. All Acronyms. 21 Nov 2009 <http://www.all-acronyms.com/UPSI>. |
| MHRA | 'UPSI', All Acronyms, 21 November 2009, 11:33, <http://www.all-acronyms.com/UPSI> [accessed 21 November 2009] |
| Chicago | "UPSI," http://www.all-acronyms.com/UPSI (accessed November 21, 2009). |
| CBE/CSE | UPSI [Internet]. All Acronyms; 2009 Nov 21, 11:33 [cited 2009 Nov 21]. Available from: http://www.all-acronyms.com/UPSI. |
| Bluebook | UPSI, http://www.all-acronyms.com/UPSI (last visited November 21, 2009). |
| Bluebook: Harvard JOLT | See All Acronyms, UPSI, http://www.all-acronyms.com/UPSI (optional description here) (as of Nov. 21, 2009, 11:33). |
| AMA | UPSI. All Acronyms. November 21, 2009, 11:33. Available at: http://www.all-acronyms.com/UPSI. Accessed November 21, 2009. |
Un-Interruptible Power System Interfac…