| APA | FHAO. (2012, February 16). In Acronym Geek. Retrieved 20:26, February 16, 2012, from http://www.acronymgeek.com/FHAO |
| MLA | "FHAO." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/FHAO>. |
| MHRA | 'FHAO', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/FHAO> [accessed 16 February 2012] |
| Chicago | "FHAO", http://www.acronymgeek.com/FHAO (accessed February 16, 2012). |
| CBE/CSE | FHAO [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/FHAO. |
| Bluebook | FHAO, http://www.acronymgeek.com/FHAO (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, FHAO, http://www.acronymgeek.com/FHAO (optional description here) (as of Feb. 16, 2012, 20:26). |
| AMA | FHAO. Acronym Geek. February 16, 2012, 20:26. Available at: http://www.acronymgeek.com/FHAO. Accessed February 16, 2012, 20:26. |