| APA | HKYA. (2012, February 15). In Acronym Geek. Retrieved 16:04, February 15, 2012, from http://www.acronymgeek.com/HKYA |
| MLA | "HKYA." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/HKYA>. |
| MHRA | 'HKYA', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/HKYA> [accessed 15 February 2012] |
| Chicago | "HKYA", http://www.acronymgeek.com/HKYA (accessed February 15, 2012). |
| CBE/CSE | HKYA [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/HKYA. |
| Bluebook | HKYA, http://www.acronymgeek.com/HKYA (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HKYA, http://www.acronymgeek.com/HKYA (optional description here) (as of Feb. 15, 2012, 16:04). |
| AMA | HKYA. Acronym Geek. February 15, 2012, 16:04. Available at: http://www.acronymgeek.com/HKYA. Accessed February 15, 2012, 16:04. |