Cita APA (7a ed.)

Isselstein, K. H. (1965). Ancient cataclysms which changed earth's surface. Health Research.

Cita Chicago Style (17a ed.)

Isselstein, Karl H. Ancient Cataclysms Which Changed Earth's Surface. Mokelumne Hill, Calif.: Health Research, 1965.

Cita MLA (8a ed.)

Isselstein, Karl H. Ancient Cataclysms Which Changed Earth's Surface. Health Research, 1965.

Precaución: Estas citas no son 100% exactas.