| Style | Reference Text |
|---|
| APA | PO.. (2010, February 9). In Acronym Geek. Retrieved 13:27, February 9, 2010, from http://www.acronymgeek.com/PO. |
| MLA | "PO.." Acronym Geek. 9 Feb 2010, 13:27. Acronym Geek. 9 Feb 2010 <http://www.acronymgeek.com/PO.>. |
| MHRA | 'PO.', Acronym Geek, 9 February 2010, 13:27, <http://www.acronymgeek.com/PO.> [accessed 9 February 2010] |
| Chicago | "PO.," http://www.acronymgeek.com/PO. (accessed February 9, 2010). |
| CBE/CSE | PO. [Internet]. Acronym Geek; 2010 Feb 9, 13:27 [cited 2010 Feb 9]. Available from: http://www.acronymgeek.com/PO.. |
| Bluebook | PO., http://www.acronymgeek.com/PO. (last visited February 9, 2010). |
| Bluebook: Harvard JOLT | See Acronym Geek, PO., http://www.acronymgeek.com/PO. (optional description here) (as of Feb. 9, 2010, 13:27). |
| AMA | PO.. Acronym Geek. February 9, 2010, 13:27. Available at: http://www.acronymgeek.com/PO.. Accessed February 9, 2010. |