Citazione Stile APA (7a Edizione)

Parness, D. L. (1991). The SPD and the Challenge of mass politics: The dilemma of the German Volkspartei. Westview Press.

Citazione stile Chigago Style (17a edizione)

Parness, Diane L. The SPD and the Challenge of Mass Politics: The Dilemma of the German Volkspartei. Boulder, Colorado: Westview Press, 1991.

Citatione MLA (9a ed.)

Parness, Diane L. The SPD and the Challenge of Mass Politics: The Dilemma of the German Volkspartei. Westview Press, 1991.