| APA | HLD. (2012, February 14). In Acronym Geek. Retrieved 07:04, February 14, 2012, from http://www.acronymgeek.com/HLD |
| MLA | "HLD." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/HLD>. |
| MHRA | 'HLD', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/HLD> [accessed 14 February 2012] |
| Chicago | "HLD", http://www.acronymgeek.com/HLD (accessed February 14, 2012). |
| CBE/CSE | HLD [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/HLD. |
| Bluebook | HLD, http://www.acronymgeek.com/HLD (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HLD, http://www.acronymgeek.com/HLD (optional description here) (as of Feb. 14, 2012, 07:04). |
| AMA | HLD. Acronym Geek. February 14, 2012, 07:04. Available at: http://www.acronymgeek.com/HLD. Accessed February 14, 2012, 07:04. |