Cita APA (7th ed.)
Hacker, A. (1983). U-S: A Statical Portrait of the American People.
Cita Chicago (17th ed.)
Hacker, Andrew. U-S: A Statical Portrait of the American People. 1983.
Cita MLA (9th ed.)
Hacker, Andrew. U-S: A Statical Portrait of the American People. 1983.
Atenció: Aquestes cites poden no estar 100% correctes.