Cita APA (7a ed.)

Beek, J., Bolt, G. H., & Bruggenwert, M. G. M. (1976). Soil chemistry. Elsevier Scientific Pub. Co..

Cita Chicago Style (17a ed.)

Beek, J., G. H. Bolt, y M. G. M. Bruggenwert. Soil Chemistry. Amsterdam ; New York: Elsevier Scientific Pub. Co., 1976.

Cita MLA (8a ed.)

Beek, J., et al. Soil Chemistry. Elsevier Scientific Pub. Co., 1976.