Cita APA (7th ed.)
Gardner, M. (1965). Relativity for the millon (1a. ed.). Pocket Books, Inc..
Cita Chicago (17th ed.)
Gardner, Martin. Relativity for the Millon. 1a. ed. New York: Pocket Books, Inc., 1965.
Cita MLA (9th ed.)
Gardner, Martin. Relativity for the Millon. 1a. ed. Pocket Books, Inc., 1965.
Atenció: Aquestes cites poden no estar 100% correctes.