Cita APA (7a ed.)

Warrack, J. H. (2006). German opera: From the beginnings to Wagner (1st paperback version.). Cambridge University Press.

Cita Chicago Style (17a ed.)

Warrack, John Hamilton. German Opera: From the Beginnings to Wagner. 1st paperback version. Cambridge [etc.]: Cambridge University Press, 2006.

Cita MLA (9a ed.)

Warrack, John Hamilton. German Opera: From the Beginnings to Wagner. 1st paperback version. Cambridge University Press, 2006.