APA (7th ed.) Citation

Winkle, S. (2007). 100 Jahre Hubschrauber.

Chicago Style (17th ed.) Citation

Winkle, Sabine. 100 Jahre Hubschrauber. 2007.

MLA (9th ed.) Citation

Winkle, Sabine. 100 Jahre Hubschrauber. 2007.

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