Cita APA

Stokes, W. L., & Judson, S. (1968). Introduction to geology /: Physical and historical. New Yersey: Prentice-Hall.

Citación estilo Chicago

Stokes, William Lee, y Shelson Judson. Introduction to Geology /: Physical and Historical. New Yersey: Prentice-Hall, 1968.

Cita MLA

Stokes, William Lee, y Shelson Judson. Introduction to Geology /: Physical and Historical. New Yersey: Prentice-Hall, 1968.