APA (7th ed.) Citation

Oelmüller, W., & Dölle-Oelmüller, R. (1977). Philosophische Arbeitsbücher. Schöningh.

Chicago Style (17th ed.) Citation

Oelmüller, Willi, and Ruth Dölle-Oelmüller. Philosophische Arbeitsbücher. Paderborn [u.a.]: Schöningh, 1977.

MLA (9th ed.) Citation

Oelmüller, Willi, and Ruth Dölle-Oelmüller. Philosophische Arbeitsbücher. Schöningh, 1977.

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