APA (7th ed.) Citation

Köhler, W. (1923). Huldreich Zwingli. Huber.

Chicago Style (17th ed.) Citation

Köhler, Walther. Huldreich Zwingli. Frauenfeld [u.a.]: Huber, 1923.

MLA (9th ed.) Citation

Köhler, Walther. Huldreich Zwingli. Huber, 1923.

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