APA (7th ed.) Citation

Physik, Chemie (Nordrhein-Westfalen.). Westermann.

Chicago Style (17th ed.) Citation

Physik, Chemie. Nordrhein-Westfalen. Braunschweig: Westermann.

MLA (9th ed.) Citation

Physik, Chemie. Nordrhein-Westfalen. Westermann.

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