APA (7th ed.) Citation

Troyat, H., Wille, H., Klau, B., & Fritz, H. (1977). Tolstoi: Widerspruch eines Lebens. Heyne.

Chicago Style (17th ed.) Citation

Troyat, Henri, Hansjürgen Wille, Barbara Klau, and Hubert Fritz. Tolstoi: Widerspruch Eines Lebens. München: Heyne, 1977.

MLA (9th ed.) Citation

Troyat, Henri, et al. Tolstoi: Widerspruch Eines Lebens. Heyne, 1977.