Kuratowski, K., Engelking, R., & Boron, L. F. (1972). Introduction to set theory and topology (Completely rev. 2nd English ed.). Pergamon Press ; PWN-Polish Scientific Publishers.
Chicago Style (17th ed.) CitationKuratowski, Kazimierz, Ryszard Engelking, and Leo F. Boron. Introduction to Set Theory and Topology. Completely rev. 2nd English ed. Oxford : Warszawa: Pergamon Press ; PWN-Polish Scientific Publishers, 1972.
MLA (9th ed.) CitationKuratowski, Kazimierz, et al. Introduction to Set Theory and Topology. Completely rev. 2nd English ed. Pergamon Press ; PWN-Polish Scientific Publishers, 1972.
Warning: These citations may not always be 100% accurate.