APA (7th ed.) Citation

(2010). Rückblick ..., Ausblick .. <<O.>> Schmidt.

Chicago Style (17th ed.) Citation

Rückblick ..., Ausblick .. Köln: <<O.>> Schmidt, 2010.

MLA (9th ed.) Citation

Rückblick ..., Ausblick .. <<O.>> Schmidt, 2010.

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