| APA | AY. (2012, February 10). In Acronym Geek. Retrieved 10:40, February 10, 2012, from http://www.acronymgeek.com/AY |
| MLA | "AY." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/AY>. |
| MHRA | 'AY', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/AY> [accessed 10 February 2012] |
| Chicago | "AY", http://www.acronymgeek.com/AY (accessed February 10, 2012). |
| CBE/CSE | AY [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/AY. |
| Bluebook | AY, http://www.acronymgeek.com/AY (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, AY, http://www.acronymgeek.com/AY (optional description here) (as of Feb. 10, 2012, 10:40). |
| AMA | AY. Acronym Geek. February 10, 2012, 10:40. Available at: http://www.acronymgeek.com/AY. Accessed February 10, 2012, 10:40. |