| APA | HS. (2012, February 15). In Acronym Geek. Retrieved 06:47, February 15, 2012, from http://www.acronymgeek.com/HS/2 |
| MLA | "HS." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/HS/2>. |
| MHRA | 'HS', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/HS/2> [accessed 15 February 2012] |
| Chicago | "HS", http://www.acronymgeek.com/HS/2 (accessed February 15, 2012). |
| CBE/CSE | HS [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/HS/2. |
| Bluebook | HS, http://www.acronymgeek.com/HS/2 (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HS, http://www.acronymgeek.com/HS/2 (optional description here) (as of Feb. 15, 2012, 06:47). |
| AMA | HS. Acronym Geek. February 15, 2012, 06:47. Available at: http://www.acronymgeek.com/HS/2. Accessed February 15, 2012, 06:47. |