APA (7th ed.) Citation

Krause, E. (1968). Oper von A - Z. Breitkopf & Härtel.

Chicago Style (17th ed.) Citation

Krause, Ernst. Oper Von A - Z. Leipzig: Breitkopf & Härtel, 1968.

MLA (8th ed.) Citation

Krause, Ernst. Oper Von A - Z. Breitkopf & Härtel, 1968.

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