Nettl, J. P., & Nettl, J. P. (1974). Rosa Luxemburgo. México: Era.
Chicago Style CitationNettl, J. P., and J. P. Nettl. Rosa Luxemburgo. México: Era, 1974.
MLA CitationNettl, J. P., and J. P. Nettl. Rosa Luxemburgo. México: Era, 1974.
Warning: These citations may not always be 100% accurate.