APA (7th ed.) Citation

ebrary, Inc, Romano, G. C., & Conti, A. G. (2010). Air quality in the 21st century. Nova Science Publishers.

Chicago Style (17th ed.) Citation

ebrary, Inc, Gaia C. Romano, and Alice G. Conti. Air Quality in the 21st Century. New York: Nova Science Publishers, 2010.

MLA (9th ed.) Citation

ebrary, Inc, et al. Air Quality in the 21st Century. Nova Science Publishers, 2010.