APA (7th ed.) Citation

Billen, J., & Koch, H. H. (1975). Von 1730 - 1917. Schöningh.

Chicago Style (17th ed.) Citation

Billen, Josef, and Helmut H. Koch. Von 1730 - 1917. Paderborn: Schöningh, 1975.

MLA (8th ed.) Citation

Billen, Josef, and Helmut H. Koch. Von 1730 - 1917. Schöningh, 1975.

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