APA引文

Clapham, W. B. (1981). Human ecosystems. Macmillan.

Chicago Style (17th ed.) Citation

Clapham, Wentworth B. Human Ecosystems. New York: Macmillan, 1981.

MLA引文

Clapham, Wentworth B. Human Ecosystems. Macmillan, 1981.

警告：這些引文格式不一定是100％准確.