APA (7th ed.) Citation

Fries, W. (1945). Passion. Zwingli.

Chicago Style (17th ed.) Citation

Fries, Willy. Passion. Zürich: Zwingli, 1945.

MLA (9th ed.) Citation

Fries, Willy. Passion. Zwingli, 1945.

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