Kuratowski, K., & Mostowski, A. (1968). Set theory. PWN-Polish scientific publishers.
Chicago Style (17th ed.) CitationKuratowski, Kazimierz, and Andrzej Mostowski. Set Theory. Warszawa: PWN-Polish scientific publishers, 1968.
MLA (9th ed.) CitationKuratowski, Kazimierz, and Andrzej Mostowski. Set Theory. PWN-Polish scientific publishers, 1968.