Citazione APA

Norrander,, B., & Wilcox,, C. (2010). Understanding public opinion (3.). CQ Press.

Stile di citazione Chicago

Norrander,, Barbara, e Clyde Wilcox. Understanding Public Opinion. 3. Washington D.C.: CQ Press, 2010.

Citazione MLA

Norrander,, Barbara, e Clyde Wilcox. Understanding Public Opinion. 3. CQ Press, 2010.