Cita APA (7a ed.)
Stokes, W. L. (1968). Introduction to geology: Physical and historical. Prentice-Hall.
Cita Chicago Style (17a ed.)
Stokes, William Lee. Introduction to Geology: Physical and Historical. New Yersey: Prentice-Hall, 1968.
Cita MLA (9a ed.)
Stokes, William Lee. Introduction to Geology: Physical and Historical. Prentice-Hall, 1968.
Precaución: Estas citas no son 100% exactas.