APA (7th ed.) Citation

Holt, R. (1943). George Washington Carver. Doubleday.

Chicago Style (17th ed.) Citation

Holt, Rackham. George Washington Carver. Garden City, New York: Doubleday, 1943.

MLA (9th ed.) Citation

Holt, Rackham. George Washington Carver. Doubleday, 1943.