APA (7th ed.) Citation

(1981). Mathematikunterricht: 1 - 4. Urban & Schwarzenberg.

Chicago Style (17th ed.) Citation

Mathematikunterricht: 1 - 4. München [u.a.]: Urban & Schwarzenberg, 1981.

MLA (9th ed.) Citation

Mathematikunterricht: 1 - 4. Urban & Schwarzenberg, 1981.

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