APA (7th ed.) Citation

Drucker, F. P. (2006). Managing In turbulent Times. Harper & Row, Publishers, Inc.

Chicago Style (17th ed.) Citation

Drucker, F. Peter. Managing In Turbulent Times. New York: Harper & Row, Publishers, Inc, 2006.

MLA (9th ed.) Citation

Drucker, F. Peter. Managing In Turbulent Times. Harper & Row, Publishers, Inc, 2006.