| APA | LHPO. (2012, February 16). In Acronym Geek. Retrieved 05:35, February 16, 2012, from http://www.acronymgeek.com/LHPO |
| MLA | "LHPO." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/LHPO>. |
| MHRA | 'LHPO', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/LHPO> [accessed 16 February 2012] |
| Chicago | "LHPO", http://www.acronymgeek.com/LHPO (accessed February 16, 2012). |
| CBE/CSE | LHPO [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/LHPO. |
| Bluebook | LHPO, http://www.acronymgeek.com/LHPO (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, LHPO, http://www.acronymgeek.com/LHPO (optional description here) (as of Feb. 16, 2012, 05:35). |
| AMA | LHPO. Acronym Geek. February 16, 2012, 05:35. Available at: http://www.acronymgeek.com/LHPO. Accessed February 16, 2012, 05:35. |