APA (7th ed.) Citation

Spykman, N. J. (1992). The social theory of Georg Simmel (Repr.). Gregg Rivivals.

Chicago Style (17th ed.) Citation

Spykman, Nicholas J. The Social Theory of Georg Simmel. Repr. Brookfield [u. a.]: Gregg Rivivals, 1992.

MLA (9th ed.) Citation

Spykman, Nicholas J. The Social Theory of Georg Simmel. Repr. Gregg Rivivals, 1992.