APA (7th ed.) Citation

Ballstaedt, S., & Mandl, H. (1985). Diagnosis of knowledge structures in text learning.

Chicago Style (17th ed.) Citation

Ballstaedt, Steffen-Peter, and Heinz Mandl. Diagnosis of Knowledge Structures in Text Learning. Tübingen, 1985.

MLA (9th ed.) Citation

Ballstaedt, Steffen-Peter, and Heinz Mandl. Diagnosis of Knowledge Structures in Text Learning. 1985.