APA

Marx A. W., Anthony W. Marx, . (1991). Lessons of struggle. New York: Oxford University Press.

Chicago

Marx Anthony W, Anthony W. Marx, . 1991. Lessons of struggle. New York: Oxford University Press.

Harvard

Marx A. W., Anthony W. Marx, . (1991). Lessons of struggle. New York: Oxford University Press.

MLA

Marx Anthony W, Anthony W. Marx, . Lessons of struggle. New York: Oxford University Press. 1991.