APA (7th ed.) Citation

Drucker, P. F. (1993). Managing in turbulent times (1st HarperBusiness ed.). HarperBusiness.

Chicago Style (17th ed.) Citation

Drucker, Peter Ferdinand. Managing in Turbulent Times. 1st HarperBusiness ed. New York: HarperBusiness, 1993.

MLA (9th ed.) Citation

Drucker, Peter Ferdinand. Managing in Turbulent Times. 1st HarperBusiness ed. HarperBusiness, 1993.

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