APA (7th ed.) Citation

Drucker, P. F. (1994). The theory of the business. Harvard Businecss School.

Chicago Style (17th ed.) Citation

Drucker, Peter F. The Theory of the Business. Harvard Businecss School, 1994.

MLA (8th ed.) Citation

Drucker, Peter F. The Theory of the Business. Harvard Businecss School, 1994.

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