APA (7th ed.) Citation

Karrasch, A. (1948). Kopernikus. Vier Falken Verl.

Chicago Style (17th ed.) Citation

Karrasch, Alfred. Kopernikus. Düsseldorf: Vier Falken Verl, 1948.

MLA (9th ed.) Citation

Karrasch, Alfred. Kopernikus. Vier Falken Verl, 1948.

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