Engelking, R. c. 2. J. (1989). General topology (Rev. and completed ed.). Heldermann.
Chicago Style (17th ed.) CitationEngelking, Ryszard ca. 20./21. Jh. General Topology. Rev. and completed ed. Berlin: Heldermann, 1989.
MLA (9th ed.) CitationEngelking, Ryszard ca. 20./21. Jh. General Topology. Rev. and completed ed. Heldermann, 1989.
Warning: These citations may not always be 100% accurate.