Cita APA

Schull, W. J. (1990). Song among the ruins. Cambridge, Mass: Harvard University Press.

Citación estilo Chicago

Schull, Willaim J. Song Among the Ruins. Cambridge, Mass: Harvard University Press, 1990.

Cita MLA

Schull, Willaim J. Song Among the Ruins. Cambridge, Mass: Harvard University Press, 1990.