| APA | AHA. (2012, February 13). In Acronym Geek. Retrieved 20:55, February 13, 2012, from http://www.acronymgeek.com/AHA |
| MLA | "AHA." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/AHA>. |
| MHRA | 'AHA', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/AHA> [accessed 13 February 2012] |
| Chicago | "AHA", http://www.acronymgeek.com/AHA (accessed February 13, 2012). |
| CBE/CSE | AHA [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/AHA. |
| Bluebook | AHA, http://www.acronymgeek.com/AHA (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, AHA, http://www.acronymgeek.com/AHA (optional description here) (as of Feb. 13, 2012, 20:55). |
| AMA | AHA. Acronym Geek. February 13, 2012, 20:55. Available at: http://www.acronymgeek.com/AHA. Accessed February 13, 2012, 20:55. |