| APA | HFL. (2012, February 14). In Acronym Geek. Retrieved 04:23, February 14, 2012, from http://www.acronymgeek.com/HFL |
| MLA | "HFL." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/HFL>. |
| MHRA | 'HFL', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/HFL> [accessed 14 February 2012] |
| Chicago | "HFL", http://www.acronymgeek.com/HFL (accessed February 14, 2012). |
| CBE/CSE | HFL [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/HFL. |
| Bluebook | HFL, http://www.acronymgeek.com/HFL (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HFL, http://www.acronymgeek.com/HFL (optional description here) (as of Feb. 14, 2012, 04:23). |
| AMA | HFL. Acronym Geek. February 14, 2012, 04:23. Available at: http://www.acronymgeek.com/HFL. Accessed February 14, 2012, 04:23. |