Cita APA (7th ed.)

Waltham, T. (1994). Foundations of engineering geology. Spon Pr..

Cita Chicago (17th ed.)

Waltham, Tony. Foundations of Engineering Geology. London: Spon Pr., 1994.

Cita MLA (9th ed.)

Waltham, Tony. Foundations of Engineering Geology. Spon Pr., 1994.