Parker, T. J., Haswell, W. A., Marshall, A., & Williams, W. (1972). Textbook of Zoology: Invertebrates (7th ed.). London: Macmillan Press.
Chicago Style CitationParker, T. Jeffery, William A. Haswell, A.J Marshall, and W.D Williams. Textbook of Zoology: Invertebrates. 7th ed. London: Macmillan Press, 1972.
MLA CitationParker, T. Jeffery, William A. Haswell, A.J Marshall, and W.D Williams. Textbook of Zoology: Invertebrates. 7th ed. London: Macmillan Press, 1972.
Warning: These citations may not always be 100% accurate.