APA (7th ed.) Citation

Drucker, P. F. (1985). Innovation and entrepreneurship: Practice and principles. New York.

Chicago Style (17th ed.) Citation

Drucker, Peter F. Innovation and Entrepreneurship: Practice and Principles. New York, 1985.

MLA (8th ed.) Citation

Drucker, Peter F. Innovation and Entrepreneurship: Practice and Principles. New York, 1985.

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