APA (7th ed.) Citation

Schroer, S., & Zimmermann, R. (2009). Lebenszyklus.

Chicago Style (17th ed.) Citation

Schroer, Silvia, and Ruben Zimmermann. Lebenszyklus. 2009.

MLA (9th ed.) Citation

Schroer, Silvia, and Ruben Zimmermann. Lebenszyklus. 2009.

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