| APA | APY. (2012, February 13). In Acronym Geek. Retrieved 21:35, February 13, 2012, from http://www.acronymgeek.com/APY |
| MLA | "APY." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/APY>. |
| MHRA | 'APY', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/APY> [accessed 13 February 2012] |
| Chicago | "APY", http://www.acronymgeek.com/APY (accessed February 13, 2012). |
| CBE/CSE | APY [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/APY. |
| Bluebook | APY, http://www.acronymgeek.com/APY (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, APY, http://www.acronymgeek.com/APY (optional description here) (as of Feb. 13, 2012, 21:35). |
| AMA | APY. Acronym Geek. February 13, 2012, 21:35. Available at: http://www.acronymgeek.com/APY. Accessed February 13, 2012, 21:35. |