"Frolich, P. (1972). Rosa Luxemburg: Her life and works. Monthly review press.
Chicago Style (17th ed.) Citation"Frolich, Paul;Hoornweg. Rosa Luxemburg: Her Life and Works. Monthly review press, 1972.
MLA (9th ed.) Citation"Frolich, Paul;Hoornweg. Rosa Luxemburg: Her Life and Works. Monthly review press, 1972.
Warning: These citations may not always be 100% accurate.