APA (7th ed.) Citation

Gustafson, A. F. (1937). Conservation of the soil. New York, Estados Unidos : McGraw-Hill.

Chicago Style (17th ed.) Citation

Gustafson, A. F. Conservation of the Soil. New York, Estados Unidos : McGraw-Hill, 1937.

MLA (8th ed.) Citation

Gustafson, A. F. Conservation of the Soil. New York, Estados Unidos : McGraw-Hill, 1937.

IICA/CATIE Citation

Gustafson, A. F. 1937. Conservation of the soil. New York, Estados Unidos : McGraw-Hill.