Cita APA (7th ed.)
Sevin, D., Bean, K. T., & Sevin, I. (1988). Wie geht's? (3rd ed., instructor's annotated ed.). Holt, Rinehart, and Winston.
Cita Chicago (17th ed.)
Sevin, Dieter, Katrin T. Bean, i Ingrid Sevin. Wie Geht's? 3rd ed., instructor's annotated ed. New York: Holt, Rinehart, and Winston, 1988.
Cita MLA (9th ed.)
Sevin, Dieter, et al. Wie Geht's? 3rd ed., instructor's annotated ed. Holt, Rinehart, and Winston, 1988.
Atenció: Aquestes cites poden no estar 100% correctes.