Cita APA (7th ed.)
ebrary, Inc, & Becker, P. C. (2002). A Statistical portrait of the United States: Social conditions and trends (2nd ed.). Bernan Press.
Cita Chicago (17th ed.)
ebrary, Inc, i Patricia C. Becker. A Statistical Portrait of the United States: Social Conditions and Trends. 2nd ed. Lanham, Md.: Bernan Press, 2002.
Cita MLA (9th ed.)
ebrary, Inc, i Patricia C. Becker. A Statistical Portrait of the United States: Social Conditions and Trends. 2nd ed. Bernan Press, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.