APA (7th ed.) Citation

CROSBY. (1980). Quality is free: The art of making quality certain. Penguin.

Chicago Style (17th ed.) Citation

CROSBY. Quality Is Free: The Art of Making Quality Certain. New York: Penguin, 1980.

MLA (9th ed.) Citation

CROSBY. Quality Is Free: The Art of Making Quality Certain. Penguin, 1980.

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