Cita APA (7a ed.)

Hillel, R. D., & Hillel Ruben, D. Marxism and materialism: A study in marxist theory of knowledge / David Hillel Ruben.

Cita Chicago Style (17a ed.)

Hillel, Ruben David, y David Hillel Ruben. Marxism and Materialism: A Study in Marxist Theory of Knowledge / David Hillel Ruben. Estados Unidos.

Cita MLA (8a ed.)

Hillel, Ruben David, y David Hillel Ruben. Marxism and Materialism: A Study in Marxist Theory of Knowledge / David Hillel Ruben.