Cita APA (7a ed.)

Marx, K. H., & Fernbach, D. (1973). Survey from exile: Political writings volume 2. Penguin Books.

Cita Chicago Style (17a ed.)

Marx, Karl Heinrich, y David Fernbach. Survey from Exile: Political Writings Volume 2. Middlesex: Penguin Books, 1973.

Cita MLA (8a ed.)

Marx, Karl Heinrich, y David Fernbach. Survey from Exile: Political Writings Volume 2. Penguin Books, 1973.