Cita APA (7a ed.)

Simmel, G., & Levine, D. N. (1971). On individuality and social forms: Selected writings. The University of Chicago Press.

Cita Chicago Style (17a ed.)

Simmel, Georg, y Donald Nathan Levine. On Individuality and Social Forms: Selected Writings. Chicago [etc.]: The University of Chicago Press, 1971.

Cita MLA (9a ed.)

Simmel, Georg, y Donald Nathan Levine. On Individuality and Social Forms: Selected Writings. The University of Chicago Press, 1971.