APA (7th ed.) Citation

Graf, H. (1951). Opera for the people. University of Minnesota Press.

Chicago Style (17th ed.) Citation

Graf, Herbert. Opera for the People. Minneapolis: University of Minnesota Press, 1951.

MLA (8th ed.) Citation

Graf, Herbert. Opera for the People. University of Minnesota Press, 1951.

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