APA (7th ed.) Citation

Hassenstein, B., & Hassenstein, H. (1978). Was Kindern zusteht. Piper.

Chicago Style (17th ed.) Citation

Hassenstein, Bernhard, and Helma Hassenstein. Was Kindern Zusteht. München: Piper, 1978.

MLA (9th ed.) Citation

Hassenstein, Bernhard, and Helma Hassenstein. Was Kindern Zusteht. Piper, 1978.

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