Cita APA (7th ed.)
Owens, W. (2013). National water sustainability: The WaterSmart program. Nova Science Publishers.
Cita Chicago (17th ed.)
Owens, William. National Water Sustainability: The WaterSmart Program. New York, New York: Nova Science Publishers, 2013.
Cita MLA (9th ed.)
Owens, William. National Water Sustainability: The WaterSmart Program. Nova Science Publishers, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.