APA (7th ed.) Citation

Kerner, H. (1874). Papst Alexander III: Von Heinrich Kerner. Herder.

Chicago Style (17th ed.) Citation

Kerner, Heinrich. Papst Alexander III: Von Heinrich Kerner. Freiburg im Breisgau: Herder, 1874.

MLA (8th ed.) Citation

Kerner, Heinrich. Papst Alexander III: Von Heinrich Kerner. Herder, 1874.

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