| APA | HKCZ. (2012, February 16). In Acronym Geek. Retrieved 01:59, February 16, 2012, from http://www.acronymgeek.com/HKCZ |
| MLA | "HKCZ." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/HKCZ>. |
| MHRA | 'HKCZ', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/HKCZ> [accessed 16 February 2012] |
| Chicago | "HKCZ", http://www.acronymgeek.com/HKCZ (accessed February 16, 2012). |
| CBE/CSE | HKCZ [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/HKCZ. |
| Bluebook | HKCZ, http://www.acronymgeek.com/HKCZ (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HKCZ, http://www.acronymgeek.com/HKCZ (optional description here) (as of Feb. 16, 2012, 01:59). |
| AMA | HKCZ. Acronym Geek. February 16, 2012, 01:59. Available at: http://www.acronymgeek.com/HKCZ. Accessed February 16, 2012, 01:59. |