APA (7th ed.) Citation

Baumstark, R. (1873). Columbus. Zeitgemässe Broschüren.

Chicago Style (17th ed.) Citation

Baumstark, Reinhold. "Columbus." Zeitgemässe Broschüren 1873.

MLA (8th ed.) Citation

Baumstark, Reinhold. "Columbus." Zeitgemässe Broschüren, 1873.

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