APA (7th ed.) Citation

Pfister, K. (1942). Kaiser Friedrich II. Hugendubel.

Chicago Style (17th ed.) Citation

Pfister, Kurt. Kaiser Friedrich II. München: Hugendubel, 1942.

MLA (9th ed.) Citation

Pfister, Kurt. Kaiser Friedrich II. Hugendubel, 1942.

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