| APA | HTPR. (2012, February 14). In Acronym Geek. Retrieved 12:28, February 14, 2012, from http://www.acronymgeek.com/HTPR |
| MLA | "HTPR." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/HTPR>. |
| MHRA | 'HTPR', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/HTPR> [accessed 14 February 2012] |
| Chicago | "HTPR", http://www.acronymgeek.com/HTPR (accessed February 14, 2012). |
| CBE/CSE | HTPR [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/HTPR. |
| Bluebook | HTPR, http://www.acronymgeek.com/HTPR (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HTPR, http://www.acronymgeek.com/HTPR (optional description here) (as of Feb. 14, 2012, 12:28). |
| AMA | HTPR. Acronym Geek. February 14, 2012, 12:28. Available at: http://www.acronymgeek.com/HTPR. Accessed February 14, 2012, 12:28. |