Ragg, J. M., & Clayden, B. (1973). The classification of some British soils according to the comprehensive system of the United States / by J.M. Ragg and B. Clayden. Soil Survey of England and Wales.
Chicago Style (17th ed.) CitationRagg, J. M., and B. Clayden. The Classification of Some British Soils According to the Comprehensive System of the United States / by J.M. Ragg and B. Clayden. Soil Survey of England and Wales, 1973.
MLA (9th ed.) CitationRagg, J. M., and B. Clayden. The Classification of Some British Soils According to the Comprehensive System of the United States / by J.M. Ragg and B. Clayden. Soil Survey of England and Wales, 1973.
Warning: These citations may not always be 100% accurate.