Cita APA

Harrison, B. C. (2011). A more perfect union. New York: McGraw Hill.

Chicago Style Citation

Harrison, Brigid C. A More Perfect Union. New York: McGraw Hill, 2011.

Cita MLA

Harrison, Brigid C. A More Perfect Union. New York: McGraw Hill, 2011.

Atenció: Aquestes cites poden no estar 100% correctes.