Nettl, B., & Myers, H. (1976). Folk music in the United States: An introduction (3d ed.). Wayne State University Press.

Nettl, Bruno, and Helen Myers. Folk Music in the United States: An Introduction. 3d ed. Detroit: Wayne State University Press, 1976.

Nettl, Bruno, and Helen Myers. Folk Music in the United States: An Introduction. 3d ed. Wayne State University Press, 1976.