APA (7th ed.) Citation

O'Brien, R. (1975). Die Maschinen. Time-Life Internat.

Chicago Style (17th ed.) Citation

O'Brien, Robert. Die Maschinen. Amsterdam: Time-Life Internat, 1975.

MLA (9th ed.) Citation

O'Brien, Robert. Die Maschinen. Time-Life Internat, 1975.

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