APA Citation

Drucker. (1980). Managing in turbulent times. New York: HarperBusiness.

Chicago Style Citation

Drucker. Managing in Turbulent Times. New York: HarperBusiness, 1980.

MLA Citation

Drucker. Managing in Turbulent Times. New York: HarperBusiness, 1980.

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