APA (7th ed.) Citation

Knospe, P., Krause, K., & Wolff, G. (1931). Indianer. Hirt.

Chicago Style (17th ed.) Citation

Knospe, Paul, Kurt Krause, and Georg Wolff. Indianer. Breslau: Hirt, 1931.

MLA (9th ed.) Citation

Knospe, Paul, et al. Indianer. Hirt, 1931.