Marx, K. (1969). Theories of surplus value. Lawrence & Wishart, Progress Publishers.
芝加哥风格引文Marx, Karl. Theories of Surplus Value. London, Moscow: Lawrence & Wishart, Progress Publishers, 1969.
MLA引文Marx, Karl. Theories of Surplus Value. Lawrence & Wishart, Progress Publishers, 1969.
警告：这些引文格式不一定是100％准确.