APA (7th ed.) Citation

Becker, K. (1964). Die unsichtbare Maske.

Chicago Style (17th ed.) Citation

Becker, Kurt. Die Unsichtbare Maske. 1964.

MLA (9th ed.) Citation

Becker, Kurt. Die Unsichtbare Maske. 1964.

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