APA (7th ed.) Citation

Caro, D., & Lehmann, R. (2009). Achievement inequalities in Hamburg schools: How do they change as students get older?

Chicago Style (17th ed.) Citation

Caro, D., and R. Lehmann. Achievement Inequalities in Hamburg Schools: How Do They Change as Students Get Older? 2009.

MLA (9th ed.) Citation

Caro, D., and R. Lehmann. Achievement Inequalities in Hamburg Schools: How Do They Change as Students Get Older? 2009.

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