APA Citation

Drucker, P. F. 1. (1985). The Changing world of the executive (1st. ed.). New York: Time Books.

Chicago Style Citation

Drucker, Peter F. 1909-. The Changing World of the Executive. 1st. ed. New York: Time Books, 1985.

MLA Citation

Drucker, Peter F. 1909-. The Changing World of the Executive. 1st. ed. New York: Time Books, 1985.

Warning: These citations may not always be 100% accurate.