APA (7th ed.) Citation

Zwingli, U. (1545). Opera Huldrychi Zwinglii. Opera Huldrychi Zwinglii.

Chicago Style (17th ed.) Citation

Zwingli, Ulrich. "Opera Huldrychi Zwinglii." Opera Huldrychi Zwinglii 1545.

MLA (9th ed.) Citation

Zwingli, Ulrich. "Opera Huldrychi Zwinglii." Opera Huldrychi Zwinglii, 1545.

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