| APA | APPA. (2012, February 10). In Acronym Geek. Retrieved 18:10, February 10, 2012, from http://www.acronymgeek.com/APPA |
| MLA | "APPA." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/APPA>. |
| MHRA | 'APPA', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/APPA> [accessed 10 February 2012] |
| Chicago | "APPA", http://www.acronymgeek.com/APPA (accessed February 10, 2012). |
| CBE/CSE | APPA [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/APPA. |
| Bluebook | APPA, http://www.acronymgeek.com/APPA (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, APPA, http://www.acronymgeek.com/APPA (optional description here) (as of Feb. 10, 2012, 18:10). |
| AMA | APPA. Acronym Geek. February 10, 2012, 18:10. Available at: http://www.acronymgeek.com/APPA. Accessed February 10, 2012, 18:10. |