Socialism and the worker.

MLA

Sorge, Friedrich Adolph. Socialism and the Worker. New ed. London: Twentieth Century Press, 1910.

APA

Sorge, F. Adolph. (1910). Socialism and the worker. New ed. London: Twentieth Century Press.

Chicago

Sorge, Friedrich Adolph Socialism and the Worker. New ed. London: Twentieth Century Press, 1910.