| APA | HLF. (2012, February 14). In Acronym Geek. Retrieved 11:16, February 14, 2012, from http://www.acronymgeek.com/HLF |
| MLA | "HLF." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/HLF>. |
| MHRA | 'HLF', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/HLF> [accessed 14 February 2012] |
| Chicago | "HLF", http://www.acronymgeek.com/HLF (accessed February 14, 2012). |
| CBE/CSE | HLF [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/HLF. |
| Bluebook | HLF, http://www.acronymgeek.com/HLF (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HLF, http://www.acronymgeek.com/HLF (optional description here) (as of Feb. 14, 2012, 11:16). |
| AMA | HLF. Acronym Geek. February 14, 2012, 11:16. Available at: http://www.acronymgeek.com/HLF. Accessed February 14, 2012, 11:16. |