Cita APA (7a ed.)
ebrary, Inc, Frizzell, A., & Pammett, J. H. (1997). Shades of green: Environmental attitudes in Canada and around the world. Carleton University Press.
Cita Chicago Style (17a ed.)
ebrary, Inc, Alan Frizzell, y Jon H. Pammett. Shades of Green: Environmental Attitudes in Canada and Around the World. [Ottawa, Ont.?]: Carleton University Press, 1997.
Cita MLA (9a ed.)
ebrary, Inc, et al. Shades of Green: Environmental Attitudes in Canada and Around the World. Carleton University Press, 1997.
Precaución: Estas citas no son 100% exactas.