APA Citation

Drucker, P. F. (1985). The effective executive (1st Harper colophon ed.). New York: Harper & Row.

Chicago Style Citation

Drucker, Peter Ferdinand. The Effective Executive. 1st Harper colophon ed. New York: Harper & Row, 1985.

MLA Citation

Drucker, Peter Ferdinand. The Effective Executive. 1st Harper colophon ed. New York: Harper & Row, 1985.

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