APA (7th ed.) Citation

RIES, A. (1997). Fokus: The Future of Your Company Depends On It. HarperCollins College Publishers.

Chicago Style (17th ed.) Citation

RIES, Al. Fokus: The Future of Your Company Depends On It. HarperCollins College Publishers, 1997.

MLA (8th ed.) Citation

RIES, Al. Fokus: The Future of Your Company Depends On It. HarperCollins College Publishers, 1997.

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