Gaal, S. A. (1966). Point set topology (2. print.). Acad.Pr.
Chicago Style (17th ed.) CitationGaal, Steven Alexander. Point Set Topology. 2. print. New York: Acad.Pr, 1966.
MLA (9th ed.) CitationGaal, Steven Alexander. Point Set Topology. 2. print. Acad.Pr, 1966.
Warning: These citations may not always be 100% accurate.