APA (7th ed.) Citation

Sommer, N. (1988). Das Schweigen durchbrechen.

Chicago Style (17th ed.) Citation

Sommer, Norbert. Das Schweigen Durchbrechen. 1988.

MLA (9th ed.) Citation

Sommer, Norbert. Das Schweigen Durchbrechen. 1988.

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