Cita APA (7a ed.)

Luxemburg, R., & Looker, R. (1972). Rosa Luxemburg: Selected political writings. Jonathan Cape.

Cita Chicago Style (17a ed.)

Luxemburg, Rosa, y Robert Looker. Rosa Luxemburg: Selected Political Writings. London: Jonathan Cape, 1972.

Cita MLA (9a ed.)

Luxemburg, Rosa, y Robert Looker. Rosa Luxemburg: Selected Political Writings. Jonathan Cape, 1972.