| APA | BRK. (2012, February 9). In Acronym Geek. Retrieved 19:53, February 9, 2012, from http://www.acronymgeek.com/BRK |
| MLA | "BRK." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/BRK>. |
| MHRA | 'BRK', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/BRK> [accessed 9 February 2012] |
| Chicago | "BRK", http://www.acronymgeek.com/BRK (accessed February 9, 2012). |
| CBE/CSE | BRK [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/BRK. |
| Bluebook | BRK, http://www.acronymgeek.com/BRK (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, BRK, http://www.acronymgeek.com/BRK (optional description here) (as of Feb. 9, 2012, 19:53). |
| AMA | BRK. Acronym Geek. February 9, 2012, 19:53. Available at: http://www.acronymgeek.com/BRK. Accessed February 9, 2012, 19:53. |