APA Edition Citation

Parker, T. J., & Haswell, W. A. (1963). Text book of zoology (Vol.2)/6th ed. Macmillan.

Chicago Edition Citation

Parker, T. Jeffery, and William A. Haswell. Text Book of Zoology (Vol.2)/6th Ed. London: Macmillan, 1963.

MLA Edition Citation

Parker, T. Jeffery, and William A. Haswell. Text Book of Zoology (Vol.2)/6th Ed. Macmillan, 1963.