| APA | HZP. (2012, February 14). In Acronym Geek. Retrieved 07:43, February 14, 2012, from http://www.acronymgeek.com/HZP |
| MLA | "HZP." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/HZP>. |
| MHRA | 'HZP', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/HZP> [accessed 14 February 2012] |
| Chicago | "HZP", http://www.acronymgeek.com/HZP (accessed February 14, 2012). |
| CBE/CSE | HZP [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/HZP. |
| Bluebook | HZP, http://www.acronymgeek.com/HZP (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HZP, http://www.acronymgeek.com/HZP (optional description here) (as of Feb. 14, 2012, 07:43). |
| AMA | HZP. Acronym Geek. February 14, 2012, 07:43. Available at: http://www.acronymgeek.com/HZP. Accessed February 14, 2012, 07:43. |