Citazione Stile APA (7a Edizione)

Stokes, W. L., & Judson, S. (1968). Introduction to geology, physical and historical. Prentice-Hall.

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

Stokes, William Lee, e Sheldon Judson. Introduction to Geology, Physical and Historical. Prentice-Hall, 1968.