Johnson, W. (1961). Stuttering and what you can do about it. Univ. of Minnesota Press.
Cita Chicago Style (17a ed.)Johnson, Wendell. Stuttering and What You Can Do About It. Minneapolis: Univ. of Minnesota Press, 1961.
Cita MLA (8a ed.)Johnson, Wendell. Stuttering and What You Can Do About It. Univ. of Minnesota Press, 1961.
Precaución: Estas citas no son 100% exactas.