Cita APA

Olson, G. W., & Olson, G. W. (1981). Soils and the enviroment: A guide to soil surveys and teir applications. New York, New York: Chapman and Hall.

Citación estilo Chicago

Olson, Gerald W., y Gerald W. Olson. Soils and the Enviroment: A Guide to Soil Surveys and Teir Applications. New York, New York: Chapman and Hall, 1981.

Cita MLA

Olson, Gerald W., y Gerald W. Olson. Soils and the Enviroment: A Guide to Soil Surveys and Teir Applications. New York, New York: Chapman and Hall, 1981.