APA

Weichert C. K., . (1967). Elements of chordate anatomy. New York: McGraw-Hill.

Chicago

Weichert Charles K, . 1967. Elements of chordate anatomy. New York: McGraw-Hill.

Harvard

Weichert C. K., . (1967). Elements of chordate anatomy. New York: McGraw-Hill.

MLA

Weichert Charles K, . Elements of chordate anatomy. New York: McGraw-Hill. 1967.