| APA | HBSK. (2012, February 15). In Acronym Geek. Retrieved 12:46, February 15, 2012, from http://www.acronymgeek.com/HBSK |
| MLA | "HBSK." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/HBSK>. |
| MHRA | 'HBSK', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/HBSK> [accessed 15 February 2012] |
| Chicago | "HBSK", http://www.acronymgeek.com/HBSK (accessed February 15, 2012). |
| CBE/CSE | HBSK [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/HBSK. |
| Bluebook | HBSK, http://www.acronymgeek.com/HBSK (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HBSK, http://www.acronymgeek.com/HBSK (optional description here) (as of Feb. 15, 2012, 12:46). |
| AMA | HBSK. Acronym Geek. February 15, 2012, 12:46. Available at: http://www.acronymgeek.com/HBSK. Accessed February 15, 2012, 12:46. |