| APA | QHOA. (2012, February 15). In Acronym Geek. Retrieved 20:48, February 15, 2012, from http://www.acronymgeek.com/QHOA |
| MLA | "QHOA." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/QHOA>. |
| MHRA | 'QHOA', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/QHOA> [accessed 15 February 2012] |
| Chicago | "QHOA", http://www.acronymgeek.com/QHOA (accessed February 15, 2012). |
| CBE/CSE | QHOA [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/QHOA. |
| Bluebook | QHOA, http://www.acronymgeek.com/QHOA (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, QHOA, http://www.acronymgeek.com/QHOA (optional description here) (as of Feb. 15, 2012, 20:48). |
| AMA | QHOA. Acronym Geek. February 15, 2012, 20:48. Available at: http://www.acronymgeek.com/QHOA. Accessed February 15, 2012, 20:48. |