| APA | HTNP. (2012, February 14). In Acronym Geek. Retrieved 17:49, February 14, 2012, from http://www.acronymgeek.com/HTNP |
| MLA | "HTNP." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/HTNP>. |
| MHRA | 'HTNP', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/HTNP> [accessed 14 February 2012] |
| Chicago | "HTNP", http://www.acronymgeek.com/HTNP (accessed February 14, 2012). |
| CBE/CSE | HTNP [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/HTNP. |
| Bluebook | HTNP, http://www.acronymgeek.com/HTNP (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HTNP, http://www.acronymgeek.com/HTNP (optional description here) (as of Feb. 14, 2012, 17:49). |
| AMA | HTNP. Acronym Geek. February 14, 2012, 17:49. Available at: http://www.acronymgeek.com/HTNP. Accessed February 14, 2012, 17:49. |