Cita APA

Kautsky, K., Bohn, W. E., & Tucker, R. C. (1971). The class struggle (Erfurt program). Norton.

Citación estilo Chicago

Kautsky, Karl, William E. Bohn, and Robert C. Tucker. The Class Struggle (Erfurt Program). New York: Norton, 1971.

Cita MLA

Kautsky, Karl, et al. The Class Struggle (Erfurt Program). Norton, 1971.