APA

Newman H. H., . (1939). The phylum Chordata: biology of vertebrates and their kin. New York: The Macmillan Company.

Chicago

Newman Horatio Hackett, . 1939. The phylum Chordata: biology of vertebrates and their kin. New York: The Macmillan Company.

Harvard

Newman H. H., . (1939). The phylum Chordata: biology of vertebrates and their kin. New York: The Macmillan Company.

MLA

Newman Horatio Hackett, . The phylum Chordata: biology of vertebrates and their kin. New York: The Macmillan Company. 1939.