APA (7th ed.) Citation

Drucker, P. F. (1993). Innovation and entrepreneurship: Practice and principles. HarperBusiness.

Chicago Style (17th ed.) Citation

Drucker, Peter F. Innovation and Entrepreneurship: Practice and Principles. New York: HarperBusiness, 1993.

MLA (8th ed.) Citation

Drucker, Peter F. Innovation and Entrepreneurship: Practice and Principles. HarperBusiness, 1993.

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