Cita APA (7th ed.)

Robinson, G. W. (1936). Soils: Their origin, constitution, and classification : an introduction to pedology (2nd ed.).

Cita Chicago (17th ed.)

Robinson, Gilbert Wooding. Soils: Their Origin, Constitution, and Classification : An Introduction to Pedology. 2nd ed. London, 1936.

Cita MLA (8th ed.)

Robinson, Gilbert Wooding. Soils: Their Origin, Constitution, and Classification : An Introduction to Pedology. 2nd ed. 1936.