APA (7th ed.) Citation

CROSBY, P. B. (1979). Quality is free: The art of making quality certain. McGraw-Hill Book Company.

Chicago Style (17th ed.) Citation

CROSBY, Philip B. Quality Is Free: The Art of Making Quality Certain. New York: McGraw-Hill Book Company, 1979.

MLA (8th ed.) Citation

CROSBY, Philip B. Quality Is Free: The Art of Making Quality Certain. McGraw-Hill Book Company, 1979.