| APA | HSOB. (2012, February 15). In Acronym Geek. Retrieved 13:11, February 15, 2012, from http://www.acronymgeek.com/HSOB |
| MLA | "HSOB." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/HSOB>. |
| MHRA | 'HSOB', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/HSOB> [accessed 15 February 2012] |
| Chicago | "HSOB", http://www.acronymgeek.com/HSOB (accessed February 15, 2012). |
| CBE/CSE | HSOB [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/HSOB. |
| Bluebook | HSOB, http://www.acronymgeek.com/HSOB (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HSOB, http://www.acronymgeek.com/HSOB (optional description here) (as of Feb. 15, 2012, 13:11). |
| AMA | HSOB. Acronym Geek. February 15, 2012, 13:11. Available at: http://www.acronymgeek.com/HSOB. Accessed February 15, 2012, 13:11. |