Avery, B. W., & Bullock, P. (1977). Mineralogy of clayey soils in relation to soil classification / by B.W. Avery and P. Bullock. Soil Survey of England and Wales.
Chicago Edition CitationAvery, B. W., and P. Bullock. Mineralogy of Clayey Soils in Relation to Soil Classification / by B.W. Avery and P. Bullock. Soil Survey of England and Wales, 1977.
MLA Edition CitationAvery, B. W., and P. Bullock. Mineralogy of Clayey Soils in Relation to Soil Classification / by B.W. Avery and P. Bullock. Soil Survey of England and Wales, 1977.
Warning: These citations may not always be 100% accurate.