APA Style

Drucker, P, F. (1989). The New Realities: In Government and Politics/in Economics and Business/in Society and World View. (1st ed.). New York: Harper \r Row.

MLA Style

Drucker, Peter, F.. "The New Realities: In Government and Politics/in Economics and Business/in Society and World View.". 1st ed. New York: Harper \r Row, 1989. print.