| APA | POA. (2012, February 8). In Acronym Geek. Retrieved 11:06, February 8, 2012, from http://www.acronymgeek.com/POA |
| MLA | "POA." Acronym Geek. (2012). Acronym Geek. 8 Feb 2012 <http://www.acronymgeek.com/POA>. |
| MHRA | 'POA', Acronym Geek, 8 February 2012, <http://www.acronymgeek.com/POA> [accessed 8 February 2012] |
| Chicago | "POA", http://www.acronymgeek.com/POA (accessed February 8, 2012). |
| CBE/CSE | POA [Internet]. Acronym Geek; 2012 Feb 8 [cited 2012 Feb 8]. Available from: http://www.acronymgeek.com/POA. |
| Bluebook | POA, http://www.acronymgeek.com/POA (last visited February 8, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, POA, http://www.acronymgeek.com/POA (optional description here) (as of Feb. 8, 2012, 11:06). |
| AMA | POA. Acronym Geek. February 8, 2012, 11:06. Available at: http://www.acronymgeek.com/POA. Accessed February 8, 2012, 11:06. |