Cita APA

Haswel, W. A., & Parker, T. J. (1962). Textbook of zoology: Vertebrates (Ed.7.).

Chicago Edition Citation

Haswel, William A., i T Jeffery Parker. Textbook of Zoology: Vertebrates. Ed.7. London, Macmillan Press, 1962.

Cita MLA

Haswel, William A., i T Jeffery Parker. Textbook of Zoology: Vertebrates. Ed.7. 1962.