APA (7th ed.) Citation

Sloan, W., & Stevens, H. A. (1976). A century of concern: A history of American Association on Mental Deficiency 1876-1976. American Association on Mental Deficiency.

Chicago Style (17th ed.) Citation

Sloan, William, and Harvey A. Stevens. A Century of Concern: A History of American Association on Mental Deficiency 1876-1976. Washington, D. C: American Association on Mental Deficiency, 1976.

MLA (9th ed.) Citation

Sloan, William, and Harvey A. Stevens. A Century of Concern: A History of American Association on Mental Deficiency 1876-1976. American Association on Mental Deficiency, 1976.