Cita APA (7a ed.)

Ferguson, R. A. (1997). The American enlightenment: 1750 - 1820. Harvard University.

Cita Chicago Style (17a ed.)

Ferguson, Robert A. The American Enlightenment: 1750 - 1820. Cambridge: Harvard University, 1997.

Cita MLA (8a ed.)

Ferguson, Robert A. The American Enlightenment: 1750 - 1820. Harvard University, 1997.