APA

Ries H., Watson T. L., . (1946). Engineering geology. New York: J.Wiley & Sons.

Chicago

Ries H, Watson Thomas L, . 1946. Engineering geology. New York: J.Wiley & Sons.

Harvard

Ries H., Watson T. L., . (1946). Engineering geology. New York: J.Wiley & Sons.

MLA

Ries H, Watson Thomas L, . Engineering geology. New York: J.Wiley & Sons. 1946.