APA (7th ed.) Citation

Powers Lochkarten-Maschinen. Kunst u. Technik.

Chicago Style (17th ed.) Citation

Powers Lochkarten-Maschinen. Berlin: Kunst u. Technik.

MLA (9th ed.) Citation

Powers Lochkarten-Maschinen. Kunst u. Technik.

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