| APA | BKRS. (2012, February 15). In Acronym Geek. Retrieved 11:49, February 15, 2012, from http://www.acronymgeek.com/BKRS |
| MLA | "BKRS." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/BKRS>. |
| MHRA | 'BKRS', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/BKRS> [accessed 15 February 2012] |
| Chicago | "BKRS", http://www.acronymgeek.com/BKRS (accessed February 15, 2012). |
| CBE/CSE | BKRS [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/BKRS. |
| Bluebook | BKRS, http://www.acronymgeek.com/BKRS (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, BKRS, http://www.acronymgeek.com/BKRS (optional description here) (as of Feb. 15, 2012, 11:49). |
| AMA | BKRS. Acronym Geek. February 15, 2012, 11:49. Available at: http://www.acronymgeek.com/BKRS. Accessed February 15, 2012, 11:49. |