APA (7th ed.) Citation

Langer, H. (1970). Übungen zur Mathematik.

Chicago Style (17th ed.) Citation

Langer, Hugo. Übungen Zur Mathematik. 1970.

MLA (9th ed.) Citation

Langer, Hugo. Übungen Zur Mathematik. 1970.

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