| APA | HBOS. (2012, February 11). In Acronym Geek. Retrieved 21:16, February 11, 2012, from http://www.acronymgeek.com/HBOS |
| MLA | "HBOS." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/HBOS>. |
| MHRA | 'HBOS', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/HBOS> [accessed 11 February 2012] |
| Chicago | "HBOS", http://www.acronymgeek.com/HBOS (accessed February 11, 2012). |
| CBE/CSE | HBOS [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/HBOS. |
| Bluebook | HBOS, http://www.acronymgeek.com/HBOS (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HBOS, http://www.acronymgeek.com/HBOS (optional description here) (as of Feb. 11, 2012, 21:16). |
| AMA | HBOS. Acronym Geek. February 11, 2012, 21:16. Available at: http://www.acronymgeek.com/HBOS. Accessed February 11, 2012, 21:16. |