APA (7th ed.) Citation

Einstein, A., & Lawson, R. W. (1920). Relativity: The special and general theory. H. Holt and Company.

Chicago Style (17th ed.) Citation

Einstein, Albert, and Robert W. Lawson. Relativity: The Special and General Theory. New York: H. Holt and Company, 1920.

MLA (9th ed.) Citation

Einstein, Albert, and Robert W. Lawson. Relativity: The Special and General Theory. H. Holt and Company, 1920.