When an organization, rather than an individual, takes responsibility for the creation of a work, that organization is treated as a collective or corporate author.
Template:
Corporate Author. (Year). Title of Book or Report. ...
Example:
Statistics Canada. (2013). Gross domestic product by industry, July 2013. Retrieved from
http://www.statcan.gc.ca/daily-quotidien/130930/dq130930a-eng.htm