Cita APA

Clarke, G. R. (1957). The study of the soil in the field Clarendon Press.

Citación estilo Chicago

Clarke, George Robin. The Study of the Soil in the Field. 4th ed. Oxford: Clarendon Press, 1957.

Cita MLA

Clarke, George Robin. The Study of the Soil in the Field. 4th ed. Oxford: Clarendon Press, 1957.