APA (7th ed.) Citation

Butler, B. E. (1980). Soil classification for soil survey. Clarendon Press.

Chicago Style (17th ed.) Citation

Butler, B. E. Soil Classification for Soil Survey. Oxford: Clarendon Press, 1980.

MLA (9th ed.) Citation

Butler, B. E. Soil Classification for Soil Survey. Clarendon Press, 1980.