Cita APA (7a ed.)

Brady, N. C., & Weil, R. R. (2005). The nature and properties of soils (13th ed.). Pearson Prentice Hall.

Cita Chicago Style (17a ed.)

Brady, Nyle C., y Ray R. Weil. The Nature and Properties of Soils. 13th ed. Delhi: Pearson Prentice Hall, 2005.

Cita MLA (9a ed.)

Brady, Nyle C., y Ray R. Weil. The Nature and Properties of Soils. 13th ed. Pearson Prentice Hall, 2005.