APA (7th ed.) Citation

Walker, J. C. 1. (1957). Plant pathology (2nd ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Walker, John Charles 1893. Plant Pathology. 2nd ed. New York: McGraw-Hill, 1957.

MLA (9th ed.) Citation

Walker, John Charles 1893. Plant Pathology. 2nd ed. McGraw-Hill, 1957.