| APA | 1HPP. (2012, February 11). In Acronym Geek. Retrieved 20:23, February 11, 2012, from http://www.acronymgeek.com/1HPP |
| MLA | "1HPP." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/1HPP>. |
| MHRA | '1HPP', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/1HPP> [accessed 11 February 2012] |
| Chicago | "1HPP", http://www.acronymgeek.com/1HPP (accessed February 11, 2012). |
| CBE/CSE | 1HPP [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/1HPP. |
| Bluebook | 1HPP, http://www.acronymgeek.com/1HPP (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, 1HPP, http://www.acronymgeek.com/1HPP (optional description here) (as of Feb. 11, 2012, 20:23). |
| AMA | 1HPP. Acronym Geek. February 11, 2012, 20:23. Available at: http://www.acronymgeek.com/1HPP. Accessed February 11, 2012, 20:23. |