APA (7th ed.) Citation

Alexandroff, P. (1961). Elementary concepts of topology. Dover Publicatios, Inc.

Chicago Style (17th ed.) Citation

Alexandroff, Paul. Elementary Concepts of Topology. New York: Dover Publicatios, Inc, 1961.

MLA (8th ed.) Citation

Alexandroff, Paul. Elementary Concepts of Topology. Dover Publicatios, Inc, 1961.

Warning: These citations may not always be 100% accurate.