APA (7th ed.) Citation

Gourley, J. H., & Howlett, F. S. (1941). Modern fruit production. The Macmillan.

Chicago Style (17th ed.) Citation

Gourley, Joseph Harvey, and Freeman Smith Howlett. Modern Fruit Production. New York: The Macmillan, 1941.

MLA (9th ed.) Citation

Gourley, Joseph Harvey, and Freeman Smith Howlett. Modern Fruit Production. The Macmillan, 1941.