APA
Robinson G. W., . (1936). Soils their origin, constitution, and classification: An introduction to pedology. London: Thomas Murby.
Chicago
Robinson G W, . 1936. Soils their origin, constitution, and classification: An introduction to pedology. London: Thomas Murby.
Harvard
Robinson G. W., . (1936). Soils their origin, constitution, and classification: An introduction to pedology. London: Thomas Murby.
MLA
Robinson G W, . Soils their origin, constitution, and classification: An introduction to pedology. London: Thomas Murby. 1936.