Citazione Stile APA (7a Edizione)

International Symposium on Man's Role in Changing the Face of the Earth & Thomas, W. L. (1956). Man's role in changing the face of the earth. University of Chicago Press.

Citazione stile Chigago Style (17a edizione)

International Symposium on Man's Role in Changing the Face of the Earth e William L.,1920- Thomas. Man's Role in Changing the Face of the Earth. Chicago: University of Chicago Press, 1956.

Citatione MLA (9a ed.)

International Symposium on Man's Role in Changing the Face of the Earth e William L.,1920- Thomas. Man's Role in Changing the Face of the Earth. University of Chicago Press, 1956.