Cita APA (7th ed.)

STOKES, W. L. (1982). Essentials of earth history: An introduction to historical geology. Prentice-Hall.

Cita Chicago (17th ed.)

STOKES, William Lee. Essentials of Earth History: An Introduction to Historical Geology. Englewood: Prentice-Hall, 1982.

Cita MLA (9th ed.)

STOKES, William Lee. Essentials of Earth History: An Introduction to Historical Geology. Prentice-Hall, 1982.