APA

Nettl J. P., . (1969). Rosa Luxemburg. New York: University Press.

Chicago

Nettl John Peter, . 1969. Rosa Luxemburg. New York: University Press.

Harvard

Nettl J. P., . (1969). Rosa Luxemburg. New York: University Press.

MLA

Nettl John Peter, . Rosa Luxemburg. New York: University Press. 1969.