| APA | HKYD. (2012, February 17). In Acronym Geek. Retrieved 04:57, February 17, 2012, from http://www.acronymgeek.com/HKYD |
| MLA | "HKYD." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/HKYD>. |
| MHRA | 'HKYD', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/HKYD> [accessed 17 February 2012] |
| Chicago | "HKYD", http://www.acronymgeek.com/HKYD (accessed February 17, 2012). |
| CBE/CSE | HKYD [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/HKYD. |
| Bluebook | HKYD, http://www.acronymgeek.com/HKYD (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HKYD, http://www.acronymgeek.com/HKYD (optional description here) (as of Feb. 17, 2012, 04:57). |
| AMA | HKYD. Acronym Geek. February 17, 2012, 04:57. Available at: http://www.acronymgeek.com/HKYD. Accessed February 17, 2012, 04:57. |