Cita APA (7a ed.)

Nagel, P. C. (1980). This sacred trust, American nationality, 1798-1898. Greenwood Press.

Cita Chicago Style (17a ed.)

Nagel, Paul C. This Sacred Trust, American Nationality, 1798-1898. Westport, Conn.: Greenwood Press, 1980.

Cita MLA (8a ed.)

Nagel, Paul C. This Sacred Trust, American Nationality, 1798-1898. Greenwood Press, 1980.