APA (7th ed.) Citation

Drucker, P. F. (2017). The Theory of the Business. Harvard Business Review Press.

Chicago Style (17th ed.) Citation

Drucker, Peter F. The Theory of the Business. Boston, Massachesutts: Harvard Business Review Press, 2017.

MLA (9th ed.) Citation

Drucker, Peter F. The Theory of the Business. Harvard Business Review Press, 2017.