APA Citation

Parker, T. J. (1940). A textbook of zoology (6th ed.). London: Macmillan.

Chicago Style Citation

Parker, T. Jeffery. A Textbook of Zoology. 6th ed. London: Macmillan, 1940.

MLA Citation

Parker, T. Jeffery. A Textbook of Zoology. 6th ed. London: Macmillan, 1940.

Warning: These citations may not always be 100% accurate.