Cita APA

Haswell, W. A., & Parker, T. J. (1897). A text book of zoology. Macmillan.

Citación estilo Chicago

Haswell, William A., and T. Jeffery Parker. A Text Book of Zoology. London: Macmillan, 1897.

Cita MLA

Haswell, William A., and T. Jeffery Parker. A Text Book of Zoology. Macmillan, 1897.