Cita APA (7a ed.)

SKINNER, B. J. (1987). Physical geology - Brian J. Skinner, Stephen C. Porter. John Wiley & Sons.

Cita Chicago Style (17a ed.)

SKINNER, Brian J. Physical Geology - Brian J. Skinner, Stephen C. Porter. John Wiley & Sons, 1987.

Cita MLA (8a ed.)

SKINNER, Brian J. Physical Geology - Brian J. Skinner, Stephen C. Porter. John Wiley & Sons, 1987.