Cita APA (7a ed.)
ebrary, Inc, Romano, G. C., & Conti, A. G. (2010). Air quality in the 21st century. Nova Science Publishers.
Cita Chicago Style (17a ed.)
ebrary, Inc, Gaia C. Romano, y Alice G. Conti. Air Quality in the 21st Century. New York: Nova Science Publishers, 2010.
Cita MLA (9a ed.)
ebrary, Inc, et al. Air Quality in the 21st Century. Nova Science Publishers, 2010.
Precaución: Estas citas no son 100% exactas.