| APA | FHDI. (2012, February 14). In Acronym Geek. Retrieved 17:30, February 14, 2012, from http://www.acronymgeek.com/FHDI |
| MLA | "FHDI." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/FHDI>. |
| MHRA | 'FHDI', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/FHDI> [accessed 14 February 2012] |
| Chicago | "FHDI", http://www.acronymgeek.com/FHDI (accessed February 14, 2012). |
| CBE/CSE | FHDI [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/FHDI. |
| Bluebook | FHDI, http://www.acronymgeek.com/FHDI (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, FHDI, http://www.acronymgeek.com/FHDI (optional description here) (as of Feb. 14, 2012, 17:30). |
| AMA | FHDI. Acronym Geek. February 14, 2012, 17:30. Available at: http://www.acronymgeek.com/FHDI. Accessed February 14, 2012, 17:30. |