Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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