Cita APA (7th ed.)

Einstein, A. (1951). The meaning of relativity (5a. ed.). Methuen & Co.

Cita Chicago (17th ed.)

Einstein, Albert. The Meaning of Relativity. 5a. ed. Londres: Methuen & Co, 1951.

Cita MLA (9th ed.)

Einstein, Albert. The Meaning of Relativity. 5a. ed. Methuen & Co, 1951.