| APA | HBUP. (2012, February 16). In Acronym Geek. Retrieved 20:26, February 16, 2012, from http://www.acronymgeek.com/HBUP |
| MLA | "HBUP." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/HBUP>. |
| MHRA | 'HBUP', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/HBUP> [accessed 16 February 2012] |
| Chicago | "HBUP", http://www.acronymgeek.com/HBUP (accessed February 16, 2012). |
| CBE/CSE | HBUP [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/HBUP. |
| Bluebook | HBUP, http://www.acronymgeek.com/HBUP (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HBUP, http://www.acronymgeek.com/HBUP (optional description here) (as of Feb. 16, 2012, 20:26). |
| AMA | HBUP. Acronym Geek. February 16, 2012, 20:26. Available at: http://www.acronymgeek.com/HBUP. Accessed February 16, 2012, 20:26. |