| APA | HBNN. (2012, February 16). In Acronym Geek. Retrieved 17:41, February 16, 2012, from http://www.acronymgeek.com/HBNN |
| MLA | "HBNN." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/HBNN>. |
| MHRA | 'HBNN', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/HBNN> [accessed 16 February 2012] |
| Chicago | "HBNN", http://www.acronymgeek.com/HBNN (accessed February 16, 2012). |
| CBE/CSE | HBNN [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/HBNN. |
| Bluebook | HBNN, http://www.acronymgeek.com/HBNN (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HBNN, http://www.acronymgeek.com/HBNN (optional description here) (as of Feb. 16, 2012, 17:41). |
| AMA | HBNN. Acronym Geek. February 16, 2012, 17:41. Available at: http://www.acronymgeek.com/HBNN. Accessed February 16, 2012, 17:41. |