APA (7th ed.) Citation

Helle, H. J. (2012). Messages from Georg Simmel. Brill.

Chicago Style (17th ed.) Citation

Helle, Horst Jürgen. Messages from Georg Simmel. Leiden ; Boston: Brill, 2012.

MLA (9th ed.) Citation

Helle, Horst Jürgen. Messages from Georg Simmel. Brill, 2012.

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