APA (7th ed.) Citation

Opitz, H. (2004). International Music Directory 2004/2005. Saur.

Chicago Style (17th ed.) Citation

Opitz, Helmut. International Music Directory 2004/2005. München: Saur, 2004.

MLA (8th ed.) Citation

Opitz, Helmut. International Music Directory 2004/2005. Saur, 2004.

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