Cita APA (7th ed.)

Costa, J. B. (1981). Surficial geology: Building with the earth. John Wiley.

Cita Chicago (17th ed.)

Costa, John B. Surficial Geology: Building with the Earth. New York: John Wiley, 1981.

Cita MLA (9th ed.)

Costa, John B. Surficial Geology: Building with the Earth. John Wiley, 1981.

Atenció: Aquestes cites poden no estar 100% correctes.