| APA | HHFPL. (2012, February 12). In Acronym Geek. Retrieved 10:44, February 12, 2012, from http://www.acronymgeek.com/HHFPL |
| MLA | "HHFPL." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/HHFPL>. |
| MHRA | 'HHFPL', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/HHFPL> [accessed 12 February 2012] |
| Chicago | "HHFPL", http://www.acronymgeek.com/HHFPL (accessed February 12, 2012). |
| CBE/CSE | HHFPL [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/HHFPL. |
| Bluebook | HHFPL, http://www.acronymgeek.com/HHFPL (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HHFPL, http://www.acronymgeek.com/HHFPL (optional description here) (as of Feb. 12, 2012, 10:44). |
| AMA | HHFPL. Acronym Geek. February 12, 2012, 10:44. Available at: http://www.acronymgeek.com/HHFPL. Accessed February 12, 2012, 10:44. |