| APA | PO-217. (2012, February 12). In Acronym Geek. Retrieved 15:28, February 12, 2012, from http://www.acronymgeek.com/PO-217 |
| MLA | "PO-217." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/PO-217>. |
| MHRA | 'PO-217', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/PO-217> [accessed 12 February 2012] |
| Chicago | "PO-217", http://www.acronymgeek.com/PO-217 (accessed February 12, 2012). |
| CBE/CSE | PO-217 [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/PO-217. |
| Bluebook | PO-217, http://www.acronymgeek.com/PO-217 (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PO-217, http://www.acronymgeek.com/PO-217 (optional description here) (as of Feb. 12, 2012, 15:28). |
| AMA | PO-217. Acronym Geek. February 12, 2012, 15:28. Available at: http://www.acronymgeek.com/PO-217. Accessed February 12, 2012, 15:28. |