APA (7th ed.) Citation

Drucker, P. F. (1981). Managing in turbulent times. Pan Books in association with Heinemann.

Chicago Style (17th ed.) Citation

Drucker, Peter F. Managing in Turbulent Times. London: Pan Books in association with Heinemann, 1981.

MLA (9th ed.) Citation

Drucker, Peter F. Managing in Turbulent Times. Pan Books in association with Heinemann, 1981.

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