Cita APA (7th ed.)

Hamblin, W. K. (1994). Introduction to physical geology (2nd ed.). Macmillan Pub. Co. Maxwell Macmillan Canada Maxwell Macmillan International.

Cita Chicago (17th ed.)

Hamblin, W. Kenneth. Introduction to Physical Geology. 2nd ed. New York, Toronto, New York: Macmillan Pub. Co. Maxwell Macmillan Canada Maxwell Macmillan International, 1994.

Cita MLA (9th ed.)

Hamblin, W. Kenneth. Introduction to Physical Geology. 2nd ed. Macmillan Pub. Co. Maxwell Macmillan Canada Maxwell Macmillan International, 1994.