Cita APA

White, M., & Gribbin, J. (1992). Stephen Hawking: A life in science. London: Penguin Books.

Citación estilo Chicago

White, Michael, and John Gribbin. Stephen Hawking: A Life in Science. London: Penguin Books, 1992.

Cita MLA

White, Michael, and John Gribbin. Stephen Hawking: A Life in Science. London: Penguin Books, 1992.

Precaución: Estas citas no son 100% exactas.