Cita APA (7a ed.)

Clark, R. (2007). Einstein: The life and times. Harper Perennial.

Cita Chicago Style (17a ed.)

Clark, Ronald. Einstein: The Life and Times. New York [etc.]: Harper Perennial, 2007.

Cita MLA (9a ed.)

Clark, Ronald. Einstein: The Life and Times. Harper Perennial, 2007.