APA (7e ed.) Bronvermelding

National Geographic Society (U.S.). Book Division. (1995). Raging forces: Earth in upheaval. The Society.

Chicago (17e ed.) Bronvermelding

National Geographic Society (U.S.). Book Division. Raging Forces: Earth in Upheaval. Washington, D.C: The Society, 1995.

MLA (9e ed.) Bronvermelding

National Geographic Society (U.S.). Book Division. Raging Forces: Earth in Upheaval. The Society, 1995.