Cita APA (7a ed.)

Pirenne, H., Saunders, J. V., & Mundy, J. H. (1963). Early democracies in the Low Countries: Urban society and political conflict in the Middle Ages and the Renaissance (1st Harper Torchbook ed. published.). Harper & Row.

Cita Chicago Style (17a ed.)

Pirenne, Henri, J. V. Saunders, y John Hine Mundy. Early Democracies in the Low Countries: Urban Society and Political Conflict in the Middle Ages and the Renaissance. 1st Harper Torchbook ed. published. New York [etc.]: Harper & Row, 1963.

Cita MLA (9a ed.)

Pirenne, Henri, et al. Early Democracies in the Low Countries: Urban Society and Political Conflict in the Middle Ages and the Renaissance. 1st Harper Torchbook ed. published. Harper & Row, 1963.