APA (7th ed.) Citation

Wilson, R. A. (1979). An introduction to parasitology (2d ed.). University Park Press.

Chicago Style (17th ed.) Citation

Wilson, R. Alan. An Introduction to Parasitology. 2d ed. Baltimore: University Park Press, 1979.

MLA (9th ed.) Citation

Wilson, R. Alan. An Introduction to Parasitology. 2d ed. University Park Press, 1979.