APA (7th ed.) Citation

Weaver, J. E. (1926). Root development of field crops. McGraw-Hill book company, inc..

Chicago Style (17th ed.) Citation

Weaver, John E. Root Development of Field Crops. New York [etc.]: McGraw-Hill book company, inc., 1926.

MLA (9th ed.) Citation

Weaver, John E. Root Development of Field Crops. McGraw-Hill book company, inc., 1926.