APA (7th ed.) Citation

Clark, R. W. (1971). Einstein: The life and times / Ronald W. Clark. World Publ..

Chicago Style (17th ed.) Citation

Clark, Ronald William. Einstein: The Life and Times / Ronald W. Clark. New York [u.a.]: World Publ., 1971.

MLA (8th ed.) Citation

Clark, Ronald William. Einstein: The Life and Times / Ronald W. Clark. World Publ., 1971.