APA-viite (7. p.)

Walter, H. E. (1949). Biology of the vertebrates: A comparative study of man and his animal allies (3rd ed.). The Macmillan.

Chicago-viite (17. p.)

Walter, Herbert Eugene. Biology of the Vertebrates: A Comparative Study of Man and His Animal Allies. 3rd ed. New York: The Macmillan, 1949.

MLA-viite (9. p.)

Walter, Herbert Eugene. Biology of the Vertebrates: A Comparative Study of Man and His Animal Allies. 3rd ed. The Macmillan, 1949.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.