APA (7th ed.) Citation

Simmel, G., & Buber, M. (1922). Die Religion. Literarische Anstalt Rütten und Loening.

Chicago Style (17th ed.) Citation

Simmel, Georg, and Martin Buber. Die Religion. Frankfurt am Main: Literarische Anstalt Rütten und Loening, 1922.

MLA (8th ed.) Citation

Simmel, Georg, and Martin Buber. Die Religion. Literarische Anstalt Rütten und Loening, 1922.

Warning: These citations may not always be 100% accurate.