APA (7th ed.) Citation

Koskenniemi, M., & Assmuth, B. (1971). Elemente der Unterrichtstheorie. Ehrenwirth.

Chicago Style (17th ed.) Citation

Koskenniemi, Matti, and Bernd Assmuth. Elemente Der Unterrichtstheorie. München: Ehrenwirth, 1971.

MLA (8th ed.) Citation

Koskenniemi, Matti, and Bernd Assmuth. Elemente Der Unterrichtstheorie. Ehrenwirth, 1971.

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