APA (7th ed.) Citation

Simmel, G. (1958). Gesammelte Werke. Duncker u. Humblot.

Chicago Style (17th ed.) Citation

Simmel, Georg. Gesammelte Werke. Berlin: Duncker u. Humblot, 1958.

MLA (9th ed.) Citation

Simmel, Georg. Gesammelte Werke. Duncker u. Humblot, 1958.

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