Cita APA

Einstein, A., & Lawson, R. W. (1959). Relativity: The special and general theory. Gloucester, Mass.: P. Smith.

Citación estilo Chicago

Einstein, Albert, y Robert W. Lawson. Relativity: The Special and General Theory. Gloucester, Mass.: P. Smith, 1959.

Cita MLA

Einstein, Albert, y Robert W. Lawson. Relativity: The Special and General Theory. Gloucester, Mass.: P. Smith, 1959.