| APA | APNA. (2012, February 11). In Acronym Geek. Retrieved 19:52, February 11, 2012, from http://www.acronymgeek.com/APNA |
| MLA | "APNA." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/APNA>. |
| MHRA | 'APNA', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/APNA> [accessed 11 February 2012] |
| Chicago | "APNA", http://www.acronymgeek.com/APNA (accessed February 11, 2012). |
| CBE/CSE | APNA [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/APNA. |
| Bluebook | APNA, http://www.acronymgeek.com/APNA (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, APNA, http://www.acronymgeek.com/APNA (optional description here) (as of Feb. 11, 2012, 19:52). |
| AMA | APNA. Acronym Geek. February 11, 2012, 19:52. Available at: http://www.acronymgeek.com/APNA. Accessed February 11, 2012, 19:52. |