APA (7th ed.) Citation

Harris, G., & Harris, G. J. (1992). Talk is cheap: Promoting your business through word of mouth advertising. Kogan Page.

Chicago Style (17th ed.) Citation

Harris, Godfrey, and Gregrey J. Harris. Talk Is Cheap: Promoting Your Business Through Word of Mouth Advertising. London: Kogan Page, 1992.

MLA (9th ed.) Citation

Harris, Godfrey, and Gregrey J. Harris. Talk Is Cheap: Promoting Your Business Through Word of Mouth Advertising. Kogan Page, 1992.