APA (7th ed.) Citation

Ewald, W. (1906). Rheinische Siegel. Hanstein.

Chicago Style (17th ed.) Citation

Ewald, Wilhelm. Rheinische Siegel. Bonn: Hanstein, 1906.

MLA (9th ed.) Citation

Ewald, Wilhelm. Rheinische Siegel. Hanstein, 1906.

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