| APA | 1HP. (2012, February 10). In Acronym Geek. Retrieved 09:44, February 10, 2012, from http://www.acronymgeek.com/1HP |
| MLA | "1HP." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/1HP>. |
| MHRA | '1HP', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/1HP> [accessed 10 February 2012] |
| Chicago | "1HP", http://www.acronymgeek.com/1HP (accessed February 10, 2012). |
| CBE/CSE | 1HP [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/1HP. |
| Bluebook | 1HP, http://www.acronymgeek.com/1HP (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, 1HP, http://www.acronymgeek.com/1HP (optional description here) (as of Feb. 10, 2012, 09:44). |
| AMA | 1HP. Acronym Geek. February 10, 2012, 09:44. Available at: http://www.acronymgeek.com/1HP. Accessed February 10, 2012, 09:44. |