APA (7th ed.) Citation

Küppers, K. (1986). "Trutz-Nachtigal".

Chicago Style (17th ed.) Citation

Küppers, Kurt. "Trutz-Nachtigal". 1986.

MLA (9th ed.) Citation

Küppers, Kurt. "Trutz-Nachtigal". 1986.

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