Cita APA

Bramwell, A. 1. (1989). Ecology in the 20th century a history. New Haven: Yale University Press.

Citación estilo Chicago

Bramwell, Anna 1944-. Ecology in the 20th Century a History. New Haven: Yale University Press, 1989.

Cita MLA

Bramwell, Anna 1944-. Ecology in the 20th Century a History. New Haven: Yale University Press, 1989.