Cita APA (7th ed.)

Burchfiel, B. C. (1982). Physical geology: The structure and processes of the earth. Merrill Pub.

Cita Chicago (17th ed.)

Burchfiel, B. C. Physical Geology: The Structure and Processes of the Earth. Columbus: Merrill Pub, 1982.

Cita MLA (9th ed.)

Burchfiel, B. C. Physical Geology: The Structure and Processes of the Earth. Merrill Pub, 1982.