APA (7th ed.) Citation

Drucker, P. F. (1982). The changing world of the executive. Heinemann.

Chicago Style (17th ed.) Citation

Drucker, Peter F. The Changing World of the Executive. London: Heinemann, 1982.

MLA (8th ed.) Citation

Drucker, Peter F. The Changing World of the Executive. Heinemann, 1982.