APA (7th ed.) Citation

Lieber, L. R., & Lieber, H. G. (1945). The Einstein theory of relativity. Farrar & Rinehart, inc..

Chicago Style (17th ed.) Citation

Lieber, Lillian R., and Hugh Gray Lieber. The Einstein Theory of Relativity. New York, Toronto: Farrar & Rinehart, inc., 1945.

MLA (9th ed.) Citation

Lieber, Lillian R., and Hugh Gray Lieber. The Einstein Theory of Relativity. Farrar & Rinehart, inc., 1945.