APA (7th ed.) Citation

Parker, T. J. (1951). A Text-book of Zoology (3rd ed.). Macmillan.

Chicago Style (17th ed.) Citation

Parker, T. Jeffery. A Text-book of Zoology. 3rd ed. London: Macmillan, 1951.

MLA (9th ed.) Citation

Parker, T. Jeffery. A Text-book of Zoology. 3rd ed. Macmillan, 1951.