APA (7th ed.) Citation

Stokes, W. L. (1960). Essentials of earth history, an introduction to historical geology (2a ed.). Prentice-Hall, Inc..

Chicago Style (17th ed.) Citation

Stokes, William Lee. Essentials of Earth History, an Introduction to Historical Geology. 2a ed. Englewood Cliffs, New Jersey: Prentice-Hall, Inc., 1960.

MLA (9th ed.) Citation

Stokes, William Lee. Essentials of Earth History, an Introduction to Historical Geology. 2a ed. Prentice-Hall, Inc., 1960.