| APA | HBS. (2012, February 14). In Acronym Geek. Retrieved 07:09, February 14, 2012, from http://www.acronymgeek.com/HBS |
| MLA | "HBS." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/HBS>. |
| MHRA | 'HBS', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/HBS> [accessed 14 February 2012] |
| Chicago | "HBS", http://www.acronymgeek.com/HBS (accessed February 14, 2012). |
| CBE/CSE | HBS [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/HBS. |
| Bluebook | HBS, http://www.acronymgeek.com/HBS (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HBS, http://www.acronymgeek.com/HBS (optional description here) (as of Feb. 14, 2012, 07:09). |
| AMA | HBS. Acronym Geek. February 14, 2012, 07:09. Available at: http://www.acronymgeek.com/HBS. Accessed February 14, 2012, 07:09. |