APA (7th ed.) Citation

Köhler, J., & Spencer, S. (2004). Richard Wagner, the last of the titans. Yale University Press.

Chicago Style (17th ed.) Citation

Köhler, Joachim, and Stewart Spencer. Richard Wagner, the Last of the Titans. New Haven: Yale University Press, 2004.

MLA (9th ed.) Citation

Köhler, Joachim, and Stewart Spencer. Richard Wagner, the Last of the Titans. Yale University Press, 2004.