APA (7th ed.) Citation

Wilson, R. A. (1979). An introduction to parasitology (2d ed.). E. Arnold.

Chicago Style (17th ed.) Citation

Wilson, R. Alan. An Introduction to Parasitology. 2d ed. London: E. Arnold, 1979.

MLA (9th ed.) Citation

Wilson, R. Alan. An Introduction to Parasitology. 2d ed. E. Arnold, 1979.