APA (7th ed.) Citation

Sevin, D., Sevin, I., & Bean, K. T. (1988). Wie geht's (3. ed.). Holt, Rinehart and Winston.

Chicago Style (17th ed.) Citation

Sevin, Dieter, Ingrid Sevin, and Katrin T. Bean. Wie Geht's. 3. ed. New York [u.a.]: Holt, Rinehart and Winston, 1988.

MLA (9th ed.) Citation

Sevin, Dieter, et al. Wie Geht's. 3. ed. Holt, Rinehart and Winston, 1988.