| APA | HPW. (2012, February 14). In Acronym Geek. Retrieved 07:58, February 14, 2012, from http://www.acronymgeek.com/HPW |
| MLA | "HPW." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/HPW>. |
| MHRA | 'HPW', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/HPW> [accessed 14 February 2012] |
| Chicago | "HPW", http://www.acronymgeek.com/HPW (accessed February 14, 2012). |
| CBE/CSE | HPW [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/HPW. |
| Bluebook | HPW, http://www.acronymgeek.com/HPW (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HPW, http://www.acronymgeek.com/HPW (optional description here) (as of Feb. 14, 2012, 07:58). |
| AMA | HPW. Acronym Geek. February 14, 2012, 07:58. Available at: http://www.acronymgeek.com/HPW. Accessed February 14, 2012, 07:58. |