APA (7th ed.) Citation

Aßkamp, R., & Esch, T. (2010). Vorwort.

Chicago Style (17th ed.) Citation

Aßkamp, Rudolf, and Tobias Esch. Vorwort. 2010.

MLA (9th ed.) Citation

Aßkamp, Rudolf, and Tobias Esch. Vorwort. 2010.

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