Cita APA

Stokes, W. L. 1., & Judson, S. (1968). Introduction to geology: Physical and historical. Englewood Cliffs, N.J.: Prentice Hall.

Citación estilo Chicago

Stokes, William Lee 1915-, y Sheldon Judson. Introduction to Geology: Physical and Historical. Englewood Cliffs, N.J.: Prentice Hall, 1968.

Cita MLA

Stokes, William Lee 1915-, y Sheldon Judson. Introduction to Geology: Physical and Historical. Englewood Cliffs, N.J.: Prentice Hall, 1968.