APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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