APA

Sirks M. J., Zirkle C., . (1964). The evolution of biology. New York: Ronald Press.

Chicago

Sirks Marius Jacob, Zirkle Conway, . 1964. The evolution of biology. New York: Ronald Press.

Harvard

Sirks M. J., Zirkle C., . (1964). The evolution of biology. New York: Ronald Press.

MLA

Sirks Marius Jacob, Zirkle Conway, . The evolution of biology. New York: Ronald Press. 1964.