| APA | HTFI. (2012, February 15). In Acronym Geek. Retrieved 15:32, February 15, 2012, from http://www.acronymgeek.com/HTFI |
| MLA | "HTFI." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/HTFI>. |
| MHRA | 'HTFI', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/HTFI> [accessed 15 February 2012] |
| Chicago | "HTFI", http://www.acronymgeek.com/HTFI (accessed February 15, 2012). |
| CBE/CSE | HTFI [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/HTFI. |
| Bluebook | HTFI, http://www.acronymgeek.com/HTFI (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HTFI, http://www.acronymgeek.com/HTFI (optional description here) (as of Feb. 15, 2012, 15:32). |
| AMA | HTFI. Acronym Geek. February 15, 2012, 15:32. Available at: http://www.acronymgeek.com/HTFI. Accessed February 15, 2012, 15:32. |