APA (7th ed.) Citation

Höfer, A., & Sieg, P. (1987). Lebendige Vergangenheit. Klett.

Chicago Style (17th ed.) Citation

Höfer, Arno, and Peter Sieg. Lebendige Vergangenheit. Stuttgart: Klett, 1987.

MLA (8th ed.) Citation

Höfer, Arno, and Peter Sieg. Lebendige Vergangenheit. Klett, 1987.