Cita APA (7th ed.)

Sills, D. L. (1968). International Encyclopedia of the Social Sciences. Macmillan Company & Free Press.

Cita Chicago (17th ed.)

Sills, David L. International Encyclopedia of the Social Sciences. New York [u.a.]: Macmillan Company & Free Press, 1968.

Cita MLA (8th ed.)

Sills, David L. International Encyclopedia of the Social Sciences. Macmillan Company & Free Press, 1968.