| APA | HBAA. (2012, February 11). In Acronym Geek. Retrieved 20:11, February 11, 2012, from http://www.acronymgeek.com/HBAA |
| MLA | "HBAA." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/HBAA>. |
| MHRA | 'HBAA', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/HBAA> [accessed 11 February 2012] |
| Chicago | "HBAA", http://www.acronymgeek.com/HBAA (accessed February 11, 2012). |
| CBE/CSE | HBAA [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/HBAA. |
| Bluebook | HBAA, http://www.acronymgeek.com/HBAA (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HBAA, http://www.acronymgeek.com/HBAA (optional description here) (as of Feb. 11, 2012, 20:11). |
| AMA | HBAA. Acronym Geek. February 11, 2012, 20:11. Available at: http://www.acronymgeek.com/HBAA. Accessed February 11, 2012, 20:11. |