| APA | HHCZ. (2012, February 17). In Acronym Geek. Retrieved 07:06, February 17, 2012, from http://www.acronymgeek.com/HHCZ |
| MLA | "HHCZ." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/HHCZ>. |
| MHRA | 'HHCZ', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/HHCZ> [accessed 17 February 2012] |
| Chicago | "HHCZ", http://www.acronymgeek.com/HHCZ (accessed February 17, 2012). |
| CBE/CSE | HHCZ [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/HHCZ. |
| Bluebook | HHCZ, http://www.acronymgeek.com/HHCZ (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HHCZ, http://www.acronymgeek.com/HHCZ (optional description here) (as of Feb. 17, 2012, 07:06). |
| AMA | HHCZ. Acronym Geek. February 17, 2012, 07:06. Available at: http://www.acronymgeek.com/HHCZ. Accessed February 17, 2012, 07:06. |