APA (7th ed.) Citation

Clarke, G. R. (1938). The study of the soil in the field (Second edition.). The Clarendon Press.

Chicago Style (17th ed.) Citation

Clarke, G. R. The Study of the Soil in the Field. Second edition. Oxford: The Clarendon Press, 1938.

MLA (9th ed.) Citation

Clarke, G. R. The Study of the Soil in the Field. Second edition. The Clarendon Press, 1938.