APA (7th ed.) Citation

Zeiss, C., & Zeiss, R. Special-Catalog über Apparate für Mikrophotographie.

Chicago Style (17th ed.) Citation

Zeiss, Carl, and Roderich Zeiss. Special-Catalog über Apparate Für Mikrophotographie.

MLA (9th ed.) Citation

Zeiss, Carl, and Roderich Zeiss. Special-Catalog über Apparate Für Mikrophotographie.

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