| APA | 2HPP. (2012, February 11). In Acronym Geek. Retrieved 20:41, February 11, 2012, from http://www.acronymgeek.com/2HPP |
| MLA | "2HPP." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/2HPP>. |
| MHRA | '2HPP', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/2HPP> [accessed 11 February 2012] |
| Chicago | "2HPP", http://www.acronymgeek.com/2HPP (accessed February 11, 2012). |
| CBE/CSE | 2HPP [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/2HPP. |
| Bluebook | 2HPP, http://www.acronymgeek.com/2HPP (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, 2HPP, http://www.acronymgeek.com/2HPP (optional description here) (as of Feb. 11, 2012, 20:41). |
| AMA | 2HPP. Acronym Geek. February 11, 2012, 20:41. Available at: http://www.acronymgeek.com/2HPP. Accessed February 11, 2012, 20:41. |