Cita APA (7a ed.)

Marx, K., & Engels, F. (1968). Karl Marx and Frederick Engels: Selected works in one volume. Lawrence and Wishart.

Cita Chicago Style (17a ed.)

Marx, Karl, y Friedrich Engels. Karl Marx and Frederick Engels: Selected Works in One Volume. London: Lawrence and Wishart, 1968.

Cita MLA (9a ed.)

Marx, Karl, y Friedrich Engels. Karl Marx and Frederick Engels: Selected Works in One Volume. Lawrence and Wishart, 1968.