| APA | HTLI. (2012, February 16). In Acronym Geek. Retrieved 19:26, February 16, 2012, from http://www.acronymgeek.com/HTLI |
| MLA | "HTLI." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/HTLI>. |
| MHRA | 'HTLI', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/HTLI> [accessed 16 February 2012] |
| Chicago | "HTLI", http://www.acronymgeek.com/HTLI (accessed February 16, 2012). |
| CBE/CSE | HTLI [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/HTLI. |
| Bluebook | HTLI, http://www.acronymgeek.com/HTLI (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HTLI, http://www.acronymgeek.com/HTLI (optional description here) (as of Feb. 16, 2012, 19:26). |
| AMA | HTLI. Acronym Geek. February 16, 2012, 19:26. Available at: http://www.acronymgeek.com/HTLI. Accessed February 16, 2012, 19:26. |