| APA | HTLH. (2012, February 16). In Acronym Geek. Retrieved 17:56, February 16, 2012, from http://www.acronymgeek.com/HTLH |
| MLA | "HTLH." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/HTLH>. |
| MHRA | 'HTLH', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/HTLH> [accessed 16 February 2012] |
| Chicago | "HTLH", http://www.acronymgeek.com/HTLH (accessed February 16, 2012). |
| CBE/CSE | HTLH [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/HTLH. |
| Bluebook | HTLH, http://www.acronymgeek.com/HTLH (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HTLH, http://www.acronymgeek.com/HTLH (optional description here) (as of Feb. 16, 2012, 17:56). |
| AMA | HTLH. Acronym Geek. February 16, 2012, 17:56. Available at: http://www.acronymgeek.com/HTLH. Accessed February 16, 2012, 17:56. |