APA (7th ed.) Citation

Hellweger, S. (1981). Chemieunterricht: 5-10. Urban & Schwarzenberg.

Chicago Style (17th ed.) Citation

Hellweger, Sebastian. Chemieunterricht: 5-10. München: Urban & Schwarzenberg, 1981.

MLA (9th ed.) Citation

Hellweger, Sebastian. Chemieunterricht: 5-10. Urban & Schwarzenberg, 1981.

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