APA (7th ed.) Citation

Ward, H. B., & Whipple, G. C. (1945). Freshwater biology. John Wiley & Sons.

Chicago Style (17th ed.) Citation

Ward, H. B., and George Chandler Whipple. Freshwater Biology. New York: John Wiley & Sons, 1945.

MLA (9th ed.) Citation

Ward, H. B., and George Chandler Whipple. Freshwater Biology. John Wiley & Sons, 1945.