| APA | HBY. (2012, February 11). In Acronym Geek. Retrieved 23:00, February 11, 2012, from http://www.acronymgeek.com/HBY |
| MLA | "HBY." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/HBY>. |
| MHRA | 'HBY', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/HBY> [accessed 11 February 2012] |
| Chicago | "HBY", http://www.acronymgeek.com/HBY (accessed February 11, 2012). |
| CBE/CSE | HBY [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/HBY. |
| Bluebook | HBY, http://www.acronymgeek.com/HBY (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HBY, http://www.acronymgeek.com/HBY (optional description here) (as of Feb. 11, 2012, 23:00). |
| AMA | HBY. Acronym Geek. February 11, 2012, 23:00. Available at: http://www.acronymgeek.com/HBY. Accessed February 11, 2012, 23:00. |