APA (7th ed.) Citation

Clarke, G. R. (1957). The study of the soil in the field / by G.R. Clarke (4th ed.). O.U.P..

Chicago Style (17th ed.) Citation

Clarke, G. R. The Study of the Soil in the Field / by G.R. Clarke. 4th ed. O.U.P., 1957.

MLA (9th ed.) Citation

Clarke, G. R. The Study of the Soil in the Field / by G.R. Clarke. 4th ed. O.U.P., 1957.

Warning: These citations may not always be 100% accurate.