Cita APA

Scientific American. (1976). Continents adrift and continents aground. San Francisco: W.H. Freeman and Company.

Citación estilo Chicago

Scientific American. Continents Adrift and Continents Aground. San Francisco: W.H. Freeman and Company, 1976.

Cita MLA

Scientific American. Continents Adrift and Continents Aground. San Francisco: W.H. Freeman and Company, 1976.

Precaución: Estas citas no son 100% exactas.