APA (7th ed.) Citation

Neunzert, H., & Rosenberger, B. (1991). Schlüssel zur Mathematik. ECON-Verl.

Chicago Style (17th ed.) Citation

Neunzert, Helmut, and Bernd Rosenberger. Schlüssel Zur Mathematik. Düsseldorf [u.a.]: ECON-Verl, 1991.

MLA (9th ed.) Citation

Neunzert, Helmut, and Bernd Rosenberger. Schlüssel Zur Mathematik. ECON-Verl, 1991.

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