APA (7th ed.) Citation

Waitz, R. (1987). Die wichtigste Erfindung.

Chicago Style (17th ed.) Citation

Waitz, Roland. Die Wichtigste Erfindung. 1987.

MLA (9th ed.) Citation

Waitz, Roland. Die Wichtigste Erfindung. 1987.

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