Cita APA (7a ed.)

Walker, J. C. (1952). Diseases of vegetable crops. McGraw-Hill.

Cita Chicago Style (17a ed.)

Walker, John Charles. Diseases of Vegetable Crops. New York: McGraw-Hill, 1952.

Cita MLA (8a ed.)

Walker, John Charles. Diseases of Vegetable Crops. McGraw-Hill, 1952.