APA (7th ed.) Citation

Watson, A., & Whalley, P. E. (1975). The dictionary of butterflies and moths in color: With an introd. by W. Donald Duckworth. McGraw-Hill.

Chicago Style (17th ed.) Citation

Watson, Allan, and Paul E. Whalley. The Dictionary of Butterflies and Moths in Color: With an Introd. by W. Donald Duckworth. New York: McGraw-Hill, 1975.

MLA (9th ed.) Citation

Watson, Allan, and Paul E. Whalley. The Dictionary of Butterflies and Moths in Color: With an Introd. by W. Donald Duckworth. McGraw-Hill, 1975.