| APA | HS. (2012, February 14). In Acronym Geek. Retrieved 01:11, February 14, 2012, from http://www.acronymgeek.com/HS |
| MLA | "HS." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/HS>. |
| MHRA | 'HS', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/HS> [accessed 14 February 2012] |
| Chicago | "HS", http://www.acronymgeek.com/HS (accessed February 14, 2012). |
| CBE/CSE | HS [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/HS. |
| Bluebook | HS, http://www.acronymgeek.com/HS (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HS, http://www.acronymgeek.com/HS (optional description here) (as of Feb. 14, 2012, 01:11). |
| AMA | HS. Acronym Geek. February 14, 2012, 01:11. Available at: http://www.acronymgeek.com/HS. Accessed February 14, 2012, 01:11. |