Cita APA (7th ed.)
Sills, D. L. (1972). International Encyclopedia of the social sciences: David L. Sills, ed. Macmillan.
Cita Chicago (17th ed.)
Sills, David L. International Encyclopedia of the Social Sciences: David L. Sills, Ed. New York [usw.]: Macmillan, 1972.
Cita MLA (9th ed.)
Sills, David L. International Encyclopedia of the Social Sciences: David L. Sills, Ed. Macmillan, 1972.
Atenció: Aquestes cites poden no estar 100% correctes.