Cita APA (7th ed.)

STOKES, W. L. (1968). Introduction to geology: Physical and historical. Prentice-Hall.

Cita Chicago (17th ed.)

STOKES, William Lee. Introduction to Geology: Physical and Historical. Englewood Cliffs: Prentice-Hall, 1968.

Cita MLA (9th ed.)

STOKES, William Lee. Introduction to Geology: Physical and Historical. Prentice-Hall, 1968.