APA (7th ed.) Citation

Schwitter, W. (1990). Die Sieben Tage. Gisler Druck.

Chicago Style (17th ed.) Citation

Schwitter, Willi. Die Sieben Tage. [Altdorf: Gisler Druck, 1990.

MLA (9th ed.) Citation

Schwitter, Willi. Die Sieben Tage. Gisler Druck, 1990.

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