(1980). [Traktat moralny ... i inni wiersze]. s.n..
Chicago Style (17th ed.) Citation[Traktat Moralny ... I Inni Wiersze]. s.n., 1980.
MLA (8th ed.) Citation[Traktat Moralny ... I Inni Wiersze]. s.n., 1980.
Warning: These citations may not always be 100% accurate.