APA (7th ed.) Citation

Ernst, W. G. (1969). Earth materials. Prentice-Hall.

Chicago Style (17th ed.) Citation

Ernst, W. G. Earth Materials. Englewood Cliffs, NJ: Prentice-Hall, 1969.

MLA (9th ed.) Citation

Ernst, W. G. Earth Materials. Prentice-Hall, 1969.