APA (7th ed.) Citation

Graham, S. A. (1939). Principles of forest entomology (2nd ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Graham, Samuel Alexander. Principles of Forest Entomology. 2nd ed. New York: McGraw-Hill, 1939.

MLA (8th ed.) Citation

Graham, Samuel Alexander. Principles of Forest Entomology. 2nd ed. McGraw-Hill, 1939.