Cita APA (7th ed.)

Mathewson, C. C. (1981). Engineering geology. Merrill.

Cita Chicago (17th ed.)

Mathewson, Christopher C. Engineering Geology. Columbus, Ohio: Merrill, 1981.

Cita MLA (9th ed.)

Mathewson, Christopher C. Engineering Geology. Merrill, 1981.

Atenció: Aquestes cites poden no estar 100% correctes.