Cita APA (7a ed.)

Brady, N. C., & Weil, R. R. (2002). The Nature and Properties of Soils (13th ed.). Prentice Hall.

Cita Chicago Style (17a ed.)

Brady, Nyle C., y Ray R. Weil. The Nature and Properties of Soils. 13th ed. Upper Saddle River, N.J.: Prentice Hall, 2002.

Cita MLA (9a ed.)

Brady, Nyle C., y Ray R. Weil. The Nature and Properties of Soils. 13th ed. Prentice Hall, 2002.