APA (7th ed.) Citation

Drucker, P. F. (1985). Innovation and entrepreneurship. Harpercollins Publishers.

Chicago Style (17th ed.) Citation

Drucker, Peter F. Innovation and Entrepreneurship. New York: Harpercollins Publishers, 1985.

MLA (9th ed.) Citation

Drucker, Peter F. Innovation and Entrepreneurship. Harpercollins Publishers, 1985.

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