APA (7th ed.) Citation

Bartel, W. (1974). Unser Ernst Thälmann.

Chicago Style (17th ed.) Citation

Bartel, Walter. Unser Ernst Thälmann. 1974.

MLA (9th ed.) Citation

Bartel, Walter. Unser Ernst Thälmann. 1974.

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