APA (7th ed.) Citation

Christmann, U., & Groeben, N. Psychologie des Lesens: Ursula Christmann. Norbert Groeben. Handbuch Lesen.(1999).

Chicago Style (17th ed.) Citation

Christmann, Ursula, and Norbert Groeben. "Psychologie Des Lesens: Ursula Christmann. Norbert Groeben." Handbuch Lesen.(1999) .

MLA (8th ed.) Citation

Christmann, Ursula, and Norbert Groeben. "Psychologie Des Lesens: Ursula Christmann. Norbert Groeben." Handbuch Lesen.(1999), .

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