| APA | BIY. (2012, February 14). In Acronym Geek. Retrieved 06:35, February 14, 2012, from http://www.acronymgeek.com/BIY |
| MLA | "BIY." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/BIY>. |
| MHRA | 'BIY', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/BIY> [accessed 14 February 2012] |
| Chicago | "BIY", http://www.acronymgeek.com/BIY (accessed February 14, 2012). |
| CBE/CSE | BIY [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/BIY. |
| Bluebook | BIY, http://www.acronymgeek.com/BIY (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, BIY, http://www.acronymgeek.com/BIY (optional description here) (as of Feb. 14, 2012, 06:35). |
| AMA | BIY. Acronym Geek. February 14, 2012, 06:35. Available at: http://www.acronymgeek.com/BIY. Accessed February 14, 2012, 06:35. |