Cita APA (7a ed.)

Walker, J. C. 1. (1957). Plant Pathology (2a. ed.). McGraw-Hill Book Co..

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

Walker, John Charles 1893. Plant Pathology. 2a. ed. McGraw-Hill Book Co., 1957.