| APA | HBUS. (2012, February 15). In Acronym Geek. Retrieved 09:11, February 15, 2012, from http://www.acronymgeek.com/HBUS |
| MLA | "HBUS." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/HBUS>. |
| MHRA | 'HBUS', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/HBUS> [accessed 15 February 2012] |
| Chicago | "HBUS", http://www.acronymgeek.com/HBUS (accessed February 15, 2012). |
| CBE/CSE | HBUS [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/HBUS. |
| Bluebook | HBUS, http://www.acronymgeek.com/HBUS (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HBUS, http://www.acronymgeek.com/HBUS (optional description here) (as of Feb. 15, 2012, 09:11). |
| AMA | HBUS. Acronym Geek. February 15, 2012, 09:11. Available at: http://www.acronymgeek.com/HBUS. Accessed February 15, 2012, 09:11. |