| APA | HHFJ. (2012, February 15). In Acronym Geek. Retrieved 11:58, February 15, 2012, from http://www.acronymgeek.com/HHFJ |
| MLA | "HHFJ." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/HHFJ>. |
| MHRA | 'HHFJ', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/HHFJ> [accessed 15 February 2012] |
| Chicago | "HHFJ", http://www.acronymgeek.com/HHFJ (accessed February 15, 2012). |
| CBE/CSE | HHFJ [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/HHFJ. |
| Bluebook | HHFJ, http://www.acronymgeek.com/HHFJ (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HHFJ, http://www.acronymgeek.com/HHFJ (optional description here) (as of Feb. 15, 2012, 11:58). |
| AMA | HHFJ. Acronym Geek. February 15, 2012, 11:58. Available at: http://www.acronymgeek.com/HHFJ. Accessed February 15, 2012, 11:58. |