Cita APA (7th ed.)

Kautsky, K. (1910). The class struggle: (Erfurt program). Kerr.

Cita Chicago (17th ed.)

Kautsky, Karl. The Class Struggle: (Erfurt Program). Chicago: Kerr, 1910.

Cita MLA (8th ed.)

Kautsky, Karl. The Class Struggle: (Erfurt Program). Kerr, 1910.