APA (7th ed.) Citation

Spykman, N. J., & Frisby, D. (2004). The social theory of Georg Simmel. Transaction Publishers.

Chicago Style (17th ed.) Citation

Spykman, Nicholas John, and David Frisby. The Social Theory of Georg Simmel. New Brunswick, N.J: Transaction Publishers, 2004.

MLA (9th ed.) Citation

Spykman, Nicholas John, and David Frisby. The Social Theory of Georg Simmel. Transaction Publishers, 2004.