| APA | APNS. (2012, February 15). In Acronym Geek. Retrieved 20:01, February 15, 2012, from http://www.acronymgeek.com/APNS |
| MLA | "APNS." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/APNS>. |
| MHRA | 'APNS', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/APNS> [accessed 15 February 2012] |
| Chicago | "APNS", http://www.acronymgeek.com/APNS (accessed February 15, 2012). |
| CBE/CSE | APNS [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/APNS. |
| Bluebook | APNS, http://www.acronymgeek.com/APNS (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, APNS, http://www.acronymgeek.com/APNS (optional description here) (as of Feb. 15, 2012, 20:01). |
| AMA | APNS. Acronym Geek. February 15, 2012, 20:01. Available at: http://www.acronymgeek.com/APNS. Accessed February 15, 2012, 20:01. |