APA (7th ed.) Citation

Johnson, W. (1961). Stuttering and what you can do about it. The Interstate.

Chicago Style (17th ed.) Citation

Johnson, Wendell. Stuttering and What You Can Do About It. Danville, IL: The Interstate, 1961.

MLA (9th ed.) Citation

Johnson, Wendell. Stuttering and What You Can Do About It. The Interstate, 1961.