Cita APA (7th ed.)
ebrary, Inc, Birch, E. L., & Wachter, S. M. (2008). Growing greener cities: Urban sustainability in the twenty-first century. University of Pennsylvania Press.
Cita Chicago (17th ed.)
ebrary, Inc, Eugenie Ladner Birch, i Susan M. Wachter. Growing Greener Cities: Urban Sustainability in the Twenty-first Century. Philadelphia: University of Pennsylvania Press, 2008.
Cita MLA (9th ed.)
ebrary, Inc, et al. Growing Greener Cities: Urban Sustainability in the Twenty-first Century. University of Pennsylvania Press, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.