| APA | 2PO. (2012, February 14). In Acronym Geek. Retrieved 07:27, February 14, 2012, from http://www.acronymgeek.com/2PO |
| MLA | "2PO." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/2PO>. |
| MHRA | '2PO', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/2PO> [accessed 14 February 2012] |
| Chicago | "2PO", http://www.acronymgeek.com/2PO (accessed February 14, 2012). |
| CBE/CSE | 2PO [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/2PO. |
| Bluebook | 2PO, http://www.acronymgeek.com/2PO (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, 2PO, http://www.acronymgeek.com/2PO (optional description here) (as of Feb. 14, 2012, 07:27). |
| AMA | 2PO. Acronym Geek. February 14, 2012, 07:27. Available at: http://www.acronymgeek.com/2PO. Accessed February 14, 2012, 07:27. |