APA (7th ed.) Citation

Bekker, P. (1935). The changing opera. W.W. Norton.

Chicago Style (17th ed.) Citation

Bekker, Paul. The Changing Opera. New York]: W.W. Norton, 1935.

MLA (9th ed.) Citation

Bekker, Paul. The Changing Opera. W.W. Norton, 1935.

Warning: These citations may not always be 100% accurate.