| APA | HFLE. (2012, February 15). In Acronym Geek. Retrieved 10:40, February 15, 2012, from http://www.acronymgeek.com/HFLE |
| MLA | "HFLE." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/HFLE>. |
| MHRA | 'HFLE', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/HFLE> [accessed 15 February 2012] |
| Chicago | "HFLE", http://www.acronymgeek.com/HFLE (accessed February 15, 2012). |
| CBE/CSE | HFLE [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/HFLE. |
| Bluebook | HFLE, http://www.acronymgeek.com/HFLE (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HFLE, http://www.acronymgeek.com/HFLE (optional description here) (as of Feb. 15, 2012, 10:40). |
| AMA | HFLE. Acronym Geek. February 15, 2012, 10:40. Available at: http://www.acronymgeek.com/HFLE. Accessed February 15, 2012, 10:40. |