APA (7th ed.) Citation

Jenner, G., & Gregorovius, F. (1993). Zwölf Gesänge. B. Schott's Söhne.

Chicago Style (17th ed.) Citation

Jenner, Gustav, and Ferdinand Gregorovius. Zwölf Gesänge. Mainz ; New York: B. Schott's Söhne, 1993.

MLA (9th ed.) Citation

Jenner, Gustav, and Ferdinand Gregorovius. Zwölf Gesänge. B. Schott's Söhne, 1993.

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