Cita APA (7a ed.)

White, M. (1992). Stephen Hawking: A life in science. Penguin.

Cita Chicago Style (17a ed.)

White, Michael. Stephen Hawking: A Life in Science. New Delhi: Penguin, 1992.

Cita MLA (9a ed.)

White, Michael. Stephen Hawking: A Life in Science. Penguin, 1992.