Cita APA

Birkeland, P. W. (1999). Soils and geomorphology Oxford University Press.

Citación estilo Chicago

Birkeland, Peter W. Soils and Geomorphology. 3rd ed. New York: Oxford University Press, 1999.

Cita MLA

Birkeland, Peter W. Soils and Geomorphology. 3rd ed. New York: Oxford University Press, 1999.