APA (7th ed.) Citation

Wolf, G. (1975). Friedrich Barbarossa. Wiss. Buchges.

Chicago Style (17th ed.) Citation

Wolf, Gunther. Friedrich Barbarossa. Darmstadt: Wiss. Buchges, 1975.

MLA (9th ed.) Citation

Wolf, Gunther. Friedrich Barbarossa. Wiss. Buchges, 1975.

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