| APA | HTLD. (2012, February 15). In Acronym Geek. Retrieved 07:09, February 15, 2012, from http://www.acronymgeek.com/HTLD |
| MLA | "HTLD." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/HTLD>. |
| MHRA | 'HTLD', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/HTLD> [accessed 15 February 2012] |
| Chicago | "HTLD", http://www.acronymgeek.com/HTLD (accessed February 15, 2012). |
| CBE/CSE | HTLD [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/HTLD. |
| Bluebook | HTLD, http://www.acronymgeek.com/HTLD (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HTLD, http://www.acronymgeek.com/HTLD (optional description here) (as of Feb. 15, 2012, 07:09). |
| AMA | HTLD. Acronym Geek. February 15, 2012, 07:09. Available at: http://www.acronymgeek.com/HTLD. Accessed February 15, 2012, 07:09. |