Gardner, M. (1962). Relativity for the million. Pocket Books.
Cita Chicago (17th ed.)Gardner, Martin. Relativity for the Million. New York: Pocket Books, 1962.
Cita MLA (9th ed.)Gardner, Martin. Relativity for the Million. Pocket Books, 1962.
Atenció: Aquestes cites poden no estar 100% correctes.