Cita APA

James Kirby Martin...[et al.]. (1993). America and its people. New York: HarperCollins College.

Chicago Style Citation

James Kirby Martin...[et al.]. America and Its People. New York: HarperCollins College, 1993.

Cita MLA

James Kirby Martin...[et al.]. America and Its People. New York: HarperCollins College, 1993.

Atenció: Aquestes cites poden no estar 100% correctes.