APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Walker, John C. Plant Pathology. 2. ed. New York [u.a.]: McGraw-Hill, 1957.

MLA (9th ed.) Citation

Walker, John C. Plant Pathology. 2. ed. McGraw-Hill, 1957.