Cita APA (7a ed.)

Sparks, D. L. (1999). Soil physical chemistry (2nd ed.). CRC Press.

Cita Chicago Style (17a ed.)

Sparks, Donald L. Soil Physical Chemistry. 2nd ed. Boca Raton: CRC Press, 1999.

Cita MLA (9a ed.)

Sparks, Donald L. Soil Physical Chemistry. 2nd ed. CRC Press, 1999.