| APA | HTFD. (2012, February 10). In Acronym Geek. Retrieved 12:35, February 10, 2012, from http://www.acronymgeek.com/HTFD |
| MLA | "HTFD." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/HTFD>. |
| MHRA | 'HTFD', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/HTFD> [accessed 10 February 2012] |
| Chicago | "HTFD", http://www.acronymgeek.com/HTFD (accessed February 10, 2012). |
| CBE/CSE | HTFD [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/HTFD. |
| Bluebook | HTFD, http://www.acronymgeek.com/HTFD (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HTFD, http://www.acronymgeek.com/HTFD (optional description here) (as of Feb. 10, 2012, 12:35). |
| AMA | HTFD. Acronym Geek. February 10, 2012, 12:35. Available at: http://www.acronymgeek.com/HTFD. Accessed February 10, 2012, 12:35. |