| APA | HSSL. (2012, February 15). In Acronym Geek. Retrieved 11:56, February 15, 2012, from http://www.acronymgeek.com/HSSL |
| MLA | "HSSL." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/HSSL>. |
| MHRA | 'HSSL', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/HSSL> [accessed 15 February 2012] |
| Chicago | "HSSL", http://www.acronymgeek.com/HSSL (accessed February 15, 2012). |
| CBE/CSE | HSSL [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/HSSL. |
| Bluebook | HSSL, http://www.acronymgeek.com/HSSL (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HSSL, http://www.acronymgeek.com/HSSL (optional description here) (as of Feb. 15, 2012, 11:56). |
| AMA | HSSL. Acronym Geek. February 15, 2012, 11:56. Available at: http://www.acronymgeek.com/HSSL. Accessed February 15, 2012, 11:56. |