Cita APA (7th ed.)

Einstein, A. (1988). The meaning of relativity (5a. ed.). Princeton University.

Cita Chicago (17th ed.)

Einstein, Albert. The Meaning of Relativity. 5a. ed. Princeton: Princeton University, 1988.

Cita MLA (9th ed.)

Einstein, Albert. The Meaning of Relativity. 5a. ed. Princeton University, 1988.