APA (7th ed.) Citation

Helbling, C. (1957). General Ulrich Wille: Biographie. Fretz & Wasmuth.

Chicago Style (17th ed.) Citation

Helbling, Carl. General Ulrich Wille: Biographie. Zürich: Fretz & Wasmuth, 1957.

MLA (9th ed.) Citation

Helbling, Carl. General Ulrich Wille: Biographie. Fretz & Wasmuth, 1957.

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