Cita APA (7a ed.)

Sills, D. L. (1979). International encyclopedia of the social sciences. Free Press.

Cita Chicago Style (17a ed.)

Sills, David L. International Encyclopedia of the Social Sciences. New York: Free Press, 1979.

Cita MLA (9a ed.)

Sills, David L. International Encyclopedia of the Social Sciences. Free Press, 1979.