APA (7th ed.) Citation

Drucker, P. F. (1995). The changing world of the executive / Peter F. Drucker. Butterworth-Heinemann.

Chicago Style (17th ed.) Citation

Drucker, Peter F. The Changing World of the Executive / Peter F. Drucker. Oxford: Butterworth-Heinemann, 1995.

MLA (9th ed.) Citation

Drucker, Peter F. The Changing World of the Executive / Peter F. Drucker. Butterworth-Heinemann, 1995.

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