Cita APA (7th ed.)
Lazarsfeld, P. F. (1973). Main trends in sociology. Harper Torchbooks.
Cita Chicago (17th ed.)
Lazarsfeld, P. F. Main Trends in Sociology. New York: Harper Torchbooks, 1973.
Cita MLA (9th ed.)
Lazarsfeld, P. F. Main Trends in Sociology. Harper Torchbooks, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.