| Style | Reference Text |
|---|
| APA | PO. (2012, May 27). In All Acronyms. Retrieved 04:55, May 27, 2012, from http://www.all-acronyms.com/PO |
| MLA | "PO." All Acronyms. 27 May 2012, 04:55. All Acronyms. 27 May 2012 <http://www.all-acronyms.com/PO>. |
| MHRA | 'PO', All Acronyms, 27 May 2012, 04:55, <http://www.all-acronyms.com/PO> [accessed 27 May 2012] |
| Chicago | "PO," http://www.all-acronyms.com/PO (accessed May 27, 2012). |
| CBE/CSE | PO [Internet]. All Acronyms; 2012 May 27, 04:55 [cited 2012 May 27]. Available from: http://www.all-acronyms.com/PO. |
| Bluebook | PO, http://www.all-acronyms.com/PO (last visited May 27, 2012). |
| Bluebook: Harvard JOLT | See All Acronyms, PO, http://www.all-acronyms.com/PO (optional description here) (as of May. 27, 2012, 04:55). |
| AMA | PO. All Acronyms. May 27, 2012, 04:55. Available at: http://www.all-acronyms.com/PO. Accessed May 27, 2012. |