Cita APA

Robinson, G. W. (1936). Soils: Thier origin. Contitutions and classifications; An introduction pedology (2. ed.). London: Thomas Murby.

Citación estilo Chicago

Robinson, Gilbert W. Soils: Thier Origin. Contitutions and Classifications; An Introduction Pedology. 2. ed. London: Thomas Murby, 1936.

Cita MLA

Robinson, Gilbert W. Soils: Thier Origin. Contitutions and Classifications; An Introduction Pedology. 2. ed. London: Thomas Murby, 1936.