Aldrich, J. H., & Niemi, R. G. (1993). The Sixth American Party System: Electoral Change, 1952-1992. In S. Craig (Ed.), Broken Contract:: Changing Relationships between Americans and their Government. Westview Press.

Aldrich, J. H., and Richard G. Niemi. “The Sixth American Party System: Electoral Change, 1952-1992.” In Broken Contract:: Changing Relationships between Americans and Their Government, edited by Steven Craig. Westview Press, 1993.

Aldrich JH, Niemi RG. The Sixth American Party System: Electoral Change, 1952-1992. In: Craig S, editor. Broken Contract:: Changing Relationships between Americans and their Government. Westview Press; 1993.

Aldrich, J. H., and Richard G. Niemi. “The Sixth American Party System: Electoral Change, 1952-1992.” Broken Contract:: Changing Relationships between Americans and Their Government, edited by Steven Craig, Westview Press, 1993.

Aldrich JH, Niemi RG. The Sixth American Party System: Electoral Change, 1952-1992. In: Craig S, editor. Broken Contract:: Changing Relationships between Americans and their Government. Westview Press; 1993.