| APA | ACPO. (2012, February 9). In Acronym Geek. Retrieved 12:07, February 9, 2012, from http://www.acronymgeek.com/ACPO |
| MLA | "ACPO." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/ACPO>. |
| MHRA | 'ACPO', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/ACPO> [accessed 9 February 2012] |
| Chicago | "ACPO", http://www.acronymgeek.com/ACPO (accessed February 9, 2012). |
| CBE/CSE | ACPO [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/ACPO. |
| Bluebook | ACPO, http://www.acronymgeek.com/ACPO (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ACPO, http://www.acronymgeek.com/ACPO (optional description here) (as of Feb. 9, 2012, 12:07). |
| AMA | ACPO. Acronym Geek. February 9, 2012, 12:07. Available at: http://www.acronymgeek.com/ACPO. Accessed February 9, 2012, 12:07. |