Cita APA (7th ed.)

(1968). International encyclopedia of the social sciences. Macmillan.

Cita Chicago (17th ed.)

International Encyclopedia of the Social Sciences. New York: Macmillan, 1968.

Cita MLA (9th ed.)

International Encyclopedia of the Social Sciences. Macmillan, 1968.

Atenció: Aquestes cites poden no estar 100% correctes.