| APA | BKSI. (2012, February 16). In Acronym Geek. Retrieved 00:09, February 16, 2012, from http://www.acronymgeek.com/BKSI |
| MLA | "BKSI." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/BKSI>. |
| MHRA | 'BKSI', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/BKSI> [accessed 16 February 2012] |
| Chicago | "BKSI", http://www.acronymgeek.com/BKSI (accessed February 16, 2012). |
| CBE/CSE | BKSI [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/BKSI. |
| Bluebook | BKSI, http://www.acronymgeek.com/BKSI (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, BKSI, http://www.acronymgeek.com/BKSI (optional description here) (as of Feb. 16, 2012, 00:09). |
| AMA | BKSI. Acronym Geek. February 16, 2012, 00:09. Available at: http://www.acronymgeek.com/BKSI. Accessed February 16, 2012, 00:09. |