| APA | HVZK. (2012, February 15). In Acronym Geek. Retrieved 00:28, February 15, 2012, from http://www.acronymgeek.com/HVZK |
| MLA | "HVZK." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/HVZK>. |
| MHRA | 'HVZK', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/HVZK> [accessed 15 February 2012] |
| Chicago | "HVZK", http://www.acronymgeek.com/HVZK (accessed February 15, 2012). |
| CBE/CSE | HVZK [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/HVZK. |
| Bluebook | HVZK, http://www.acronymgeek.com/HVZK (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HVZK, http://www.acronymgeek.com/HVZK (optional description here) (as of Feb. 15, 2012, 00:28). |
| AMA | HVZK. Acronym Geek. February 15, 2012, 00:28. Available at: http://www.acronymgeek.com/HVZK. Accessed February 15, 2012, 00:28. |