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.

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