| APA | HBP23. (2012, February 12). In Acronym Geek. Retrieved 10:46, February 12, 2012, from http://www.acronymgeek.com/HBP23 |
| MLA | "HBP23." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/HBP23>. |
| MHRA | 'HBP23', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/HBP23> [accessed 12 February 2012] |
| Chicago | "HBP23", http://www.acronymgeek.com/HBP23 (accessed February 12, 2012). |
| CBE/CSE | HBP23 [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/HBP23. |
| Bluebook | HBP23, http://www.acronymgeek.com/HBP23 (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HBP23, http://www.acronymgeek.com/HBP23 (optional description here) (as of Feb. 12, 2012, 10:46). |
| AMA | HBP23. Acronym Geek. February 12, 2012, 10:46. Available at: http://www.acronymgeek.com/HBP23. Accessed February 12, 2012, 10:46. |