Paper stones : : a history of electoral socialism.

MLA

Przeworski, Adam, and John Sprague. Paper Stones : a History of Electoral Socialism. Chicago, 1986.

APA

Przeworski, A., & Sprague, J. (1986). Paper stones : a history of electoral socialism. Chicago.

Chicago

Przeworski, Adam, and John Sprague. Paper Stones: A History of Electoral Socialism. Chicago, 1986.