APA استشهاد

(1968). International encyclopedia of the social sciences. Volume 11, 12. The Macmillan Company The Free Press.

استشهاد بنمط شيكاغو

International Encyclopedia of the Social Sciences. Volume 11, 12. New York: The Macmillan Company The Free Press, 1968.

MLA استشهاد

International Encyclopedia of the Social Sciences. Volume 11, 12. The Macmillan Company The Free Press, 1968.