APA (7th ed.) Citation

Parreren, C. F. v., & Vontin, W. (1969). Lernen in der Schule. Beltz-Bibliothek.

Chicago Style (17th ed.) Citation

Parreren, Carel F. van, and Walther Vontin. "Lernen in Der Schule." Beltz-Bibliothek 1969.

MLA (8th ed.) Citation

Parreren, Carel F. van, and Walther Vontin. "Lernen in Der Schule." Beltz-Bibliothek, 1969.

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