Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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