APA (7e ed.) Bronvermelding

Kraus, D., & Perkins, O. E. (1974). Concepts in modern biology. Cambridge Book.

Chicago (17e ed.) Bronvermelding

Kraus, David, en Otho E. Perkins. Concepts in Modern Biology. New York: Cambridge Book, 1974.

MLA (9e ed.) Bronvermelding

Kraus, David, en Otho E. Perkins. Concepts in Modern Biology. Cambridge Book, 1974.