Cita APA

Hughes, J. D. 1. (2009). An environmental history of the world: Humankind's changing role in the community of life (2nd ed.). London: Routledge.

Citación estilo Chicago

Hughes, J. Donald 1932-. An Environmental History of the World: Humankind's Changing Role in the Community of Life. 2nd ed. London: Routledge, 2009.

Cita MLA

Hughes, J. Donald 1932-. An Environmental History of the World: Humankind's Changing Role in the Community of Life. 2nd ed. London: Routledge, 2009.