| APA | HPNC. (2012, February 15). In Acronym Geek. Retrieved 10:18, February 15, 2012, from http://www.acronymgeek.com/HPNC |
| MLA | "HPNC." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/HPNC>. |
| MHRA | 'HPNC', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/HPNC> [accessed 15 February 2012] |
| Chicago | "HPNC", http://www.acronymgeek.com/HPNC (accessed February 15, 2012). |
| CBE/CSE | HPNC [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/HPNC. |
| Bluebook | HPNC, http://www.acronymgeek.com/HPNC (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HPNC, http://www.acronymgeek.com/HPNC (optional description here) (as of Feb. 15, 2012, 10:18). |
| AMA | HPNC. Acronym Geek. February 15, 2012, 10:18. Available at: http://www.acronymgeek.com/HPNC. Accessed February 15, 2012, 10:18. |