APA (7th ed.) Citation

Jettel, R. (1987). 20 Etüden. Doblinger.

Chicago Style (17th ed.) Citation

Jettel, Rudolf. 20 Etüden. München: Doblinger, 1987.

MLA (8th ed.) Citation

Jettel, Rudolf. 20 Etüden. Doblinger, 1987.

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