| APA | HLFF. (2012, February 16). In Acronym Geek. Retrieved 06:37, February 16, 2012, from http://www.acronymgeek.com/HLFF |
| MLA | "HLFF." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/HLFF>. |
| MHRA | 'HLFF', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/HLFF> [accessed 16 February 2012] |
| Chicago | "HLFF", http://www.acronymgeek.com/HLFF (accessed February 16, 2012). |
| CBE/CSE | HLFF [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/HLFF. |
| Bluebook | HLFF, http://www.acronymgeek.com/HLFF (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HLFF, http://www.acronymgeek.com/HLFF (optional description here) (as of Feb. 16, 2012, 06:37). |
| AMA | HLFF. Acronym Geek. February 16, 2012, 06:37. Available at: http://www.acronymgeek.com/HLFF. Accessed February 16, 2012, 06:37. |