APA (7th ed.) Citation

Whitaker, J. R., & Ackerman, E. A. (1951). American resources: Their management and conservation. Harcourt, Brace and Co..

Chicago Style (17th ed.) Citation

Whitaker, J. Russell, and Edward A. Ackerman. American Resources: Their Management and Conservation. New York: Harcourt, Brace and Co., 1951.

MLA (8th ed.) Citation

Whitaker, J. Russell, and Edward A. Ackerman. American Resources: Their Management and Conservation. Harcourt, Brace and Co., 1951.