Robinson, G. W. (1936). Soils: Their origin, constitution, and classification : an introduction to pedology (2nd ed.).
Chicago Style (17th ed.) CitationRobinson, Gilbert Wooding. Soils: Their Origin, Constitution, and Classification : An Introduction to Pedology. 2nd ed. London, 1936.
MLA (8th ed.) CitationRobinson, Gilbert Wooding. Soils: Their Origin, Constitution, and Classification : An Introduction to Pedology. 2nd ed. 1936.
Warning: These citations may not always be 100% accurate.