APA

Patten B. M., . (1964). Foundations of embryology. New York: McGraw-Hill.

Chicago

Patten Bradley M, . 1964. Foundations of embryology. New York: McGraw-Hill.

Harvard

Patten B. M., . (1964). Foundations of embryology. New York: McGraw-Hill.

MLA

Patten Bradley M, . Foundations of embryology. New York: McGraw-Hill. 1964.