Cita APA

Donahue, R. L. (1961). Our soils and their management: An introduction to soil and water conservation ([2d ed.].). Interstate Printers and Publishers.

Chicago Style (17th ed.) Citation

Donahue, Roy Luther. Our Soils and Their Management: An Introduction to Soil and Water Conservation. [2d ed.]. Danville, Ill.: Interstate Printers and Publishers, 1961.

Cita MLA

Donahue, Roy Luther. Our Soils and Their Management: An Introduction to Soil and Water Conservation. [2d ed.]. Interstate Printers and Publishers, 1961.