| APA | HAAY. (2012, February 16). In Acronym Geek. Retrieved 21:36, February 16, 2012, from http://www.acronymgeek.com/HAAY |
| MLA | "HAAY." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/HAAY>. |
| MHRA | 'HAAY', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/HAAY> [accessed 16 February 2012] |
| Chicago | "HAAY", http://www.acronymgeek.com/HAAY (accessed February 16, 2012). |
| CBE/CSE | HAAY [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/HAAY. |
| Bluebook | HAAY, http://www.acronymgeek.com/HAAY (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HAAY, http://www.acronymgeek.com/HAAY (optional description here) (as of Feb. 16, 2012, 21:36). |
| AMA | HAAY. Acronym Geek. February 16, 2012, 21:36. Available at: http://www.acronymgeek.com/HAAY. Accessed February 16, 2012, 21:36. |