APA (7th ed.) Citation

Libbey, T. (2006). The NPR listener's encyclopedia of classical music. Workman Pub.

Chicago Style (17th ed.) Citation

Libbey, Theodore. The NPR Listener's Encyclopedia of Classical Music. New York: Workman Pub, 2006.

MLA (9th ed.) Citation

Libbey, Theodore. The NPR Listener's Encyclopedia of Classical Music. Workman Pub, 2006.