APA (7th ed.) Citation

Zwierlein, O. Karolus Magnus-alter Aeneas.

Chicago Style (17th ed.) Citation

Zwierlein, Otto. Karolus Magnus-alter Aeneas.

MLA (9th ed.) Citation

Zwierlein, Otto. Karolus Magnus-alter Aeneas.

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