Schultz, J. R., & Cleaves, A. B. (1955). Geology in engineering. John Wiley & Sons.
Cita Chicago (17th ed.)Schultz, John R., i Arthur B. Cleaves. Geology in Engineering. New York: John Wiley & Sons, 1955.
Cita MLA (9th ed.)Schultz, John R., i Arthur B. Cleaves. Geology in Engineering. John Wiley & Sons, 1955.
Atenció: Aquestes cites poden no estar 100% correctes.