Cita APA (7a ed.)

(1979). The Enciclopedia of soil science.: Pt.1 Physics, chemistry, biology, fertility and technology (1st edition.). Dowden.

Cita Chicago Style (17a ed.)

The Enciclopedia of Soil Science.: Pt.1 Physics, Chemistry, Biology, Fertility and Technology. 1st edition. Pennsylvania: Dowden, 1979.

Cita MLA (8a ed.)

The Enciclopedia of Soil Science.: Pt.1 Physics, Chemistry, Biology, Fertility and Technology. 1st edition. Dowden, 1979.