Cita APA (7a ed.)

Hyams, E. (1976). Soil and civilization. Harper Colophon Books.

Cita Chicago Style (17a ed.)

Hyams, Edward. Soil and Civilization. New York ; Hagerstown ; San Francisco ; London: Harper Colophon Books, 1976.

Cita MLA (9a ed.)

Hyams, Edward. Soil and Civilization. Harper Colophon Books, 1976.