Ries, H., & Watson, T. L. (1915). Engineering geology: By Heinrich Ries and Thomas L. Watson (2d ed., enl.). Wiley.
Chicago Style (17th ed.) CitationRies, Heinrich, and Thomas L. Watson. Engineering Geology: By Heinrich Ries and Thomas L. Watson. 2d ed., enl. New York: Wiley, 1915.
MLA (9th ed.) CitationRies, Heinrich, and Thomas L. Watson. Engineering Geology: By Heinrich Ries and Thomas L. Watson. 2d ed., enl. Wiley, 1915.
Warning: These citations may not always be 100% accurate.