Cita APA (7a ed.)

SKINNER, B. J. 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.

Cita MLA (8a ed.)

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