| APA | BLUO. (2012, February 14). In Acronym Geek. Retrieved 18:41, February 14, 2012, from http://www.acronymgeek.com/BLUO |
| MLA | "BLUO." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/BLUO>. |
| MHRA | 'BLUO', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/BLUO> [accessed 14 February 2012] |
| Chicago | "BLUO", http://www.acronymgeek.com/BLUO (accessed February 14, 2012). |
| CBE/CSE | BLUO [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/BLUO. |
| Bluebook | BLUO, http://www.acronymgeek.com/BLUO (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, BLUO, http://www.acronymgeek.com/BLUO (optional description here) (as of Feb. 14, 2012, 18:41). |
| AMA | BLUO. Acronym Geek. February 14, 2012, 18:41. Available at: http://www.acronymgeek.com/BLUO. Accessed February 14, 2012, 18:41. |