Cita APA (7a ed.)

Thompson, H. C. (1939). Vegetable crops (3th. ed.). McGraw-Hill.

Cita Chicago Style (17a ed.)

Thompson, Homer C. Vegetable Crops. 3th. ed. New York: McGraw-Hill, 1939.

Cita MLA (8a ed.)

Thompson, Homer C. Vegetable Crops. 3th. ed. McGraw-Hill, 1939.