APA (7th ed.) Citation

Baum, J. D. (1964). Elements of point set topology. Prentice-Hall.

Chicago Style (17th ed.) Citation

Baum, John D. Elements of Point Set Topology. Englewood Cliffs, N. J.: Prentice-Hall, 1964.

MLA (9th ed.) Citation

Baum, John D. Elements of Point Set Topology. Prentice-Hall, 1964.