APA (7th ed.) Citation

(1964). Was Kinder darüber denken (12.Aufl.).

Chicago Style (17th ed.) Citation

Was Kinder Darüber Denken. 12.Aufl. Essen, 1964.

MLA (9th ed.) Citation

Was Kinder Darüber Denken. 12.Aufl. 1964.

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