| APA | BLOS. (2012, February 16). In Acronym Geek. Retrieved 06:53, February 16, 2012, from http://www.acronymgeek.com/BLOS |
| MLA | "BLOS." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/BLOS>. |
| MHRA | 'BLOS', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/BLOS> [accessed 16 February 2012] |
| Chicago | "BLOS", http://www.acronymgeek.com/BLOS (accessed February 16, 2012). |
| CBE/CSE | BLOS [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/BLOS. |
| Bluebook | BLOS, http://www.acronymgeek.com/BLOS (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, BLOS, http://www.acronymgeek.com/BLOS (optional description here) (as of Feb. 16, 2012, 06:53). |
| AMA | BLOS. Acronym Geek. February 16, 2012, 06:53. Available at: http://www.acronymgeek.com/BLOS. Accessed February 16, 2012, 06:53. |