Cita APA

Berry, T. 1. (1990). The dream of the earth. San Francisco: Sierra Club Books.

Citación estilo Chicago

Berry, Thomas 1914-2009. The Dream of the Earth. San Francisco: Sierra Club Books, 1990.

Cita MLA

Berry, Thomas 1914-2009. The Dream of the Earth. San Francisco: Sierra Club Books, 1990.