APA (7th ed.) Citation

Chapman, R. F., & Joern, A. (1990). Biology of grasshoppers. John Wiley & Sons.

Chicago Style (17th ed.) Citation

Chapman, Reginald F., and Anthony Joern. Biology of Grasshoppers. New York: John Wiley & Sons, 1990.

MLA (9th ed.) Citation

Chapman, Reginald F., and Anthony Joern. Biology of Grasshoppers. John Wiley & Sons, 1990.