APA (7th ed.) Citation

Berger, W. (2002). The NPR curious listener's guide to opera. Berkley Pub.

Chicago Style (17th ed.) Citation

Berger, William. The NPR Curious Listener's Guide to Opera. New York: Berkley Pub, 2002.

MLA (9th ed.) Citation

Berger, William. The NPR Curious Listener's Guide to Opera. Berkley Pub, 2002.