APA (7th ed.) Citation

Waas, A. (1956). Geschichte der Kreuzzüge. Herder.

Chicago Style (17th ed.) Citation

Waas, Adolf. Geschichte Der Kreuzzüge. Freiburg: Herder, 1956.

MLA (8th ed.) Citation

Waas, Adolf. Geschichte Der Kreuzzüge. Herder, 1956.

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