APA Zitierstil

Clapham, W. B. (1973). Natural ecosytems. Macmillan.

Chicago Zitierstil

Clapham, W B. Natural Ecosytems. New York: Macmillan, 1973.

MLA Zitierstil

Clapham, W B. Natural Ecosytems. Macmillan, 1973.