ebrary, Inc, Skocpol, T., & Fiorina, M. P. (1999). Civic engagement in American democracy. Brookings Institution Press ; Russell Sage Foundation.
芝加哥风格引文ebrary, Inc, Theda Skocpol, 与 Morris P. Fiorina. Civic Engagement in American Democracy. Washington, D.C. : New York: Brookings Institution Press ; Russell Sage Foundation, 1999.
MLA引文ebrary, Inc, et al. Civic Engagement in American Democracy. Brookings Institution Press ; Russell Sage Foundation, 1999.
警告：这些引文格式不一定是100％准确.