APA (7th ed.) Citation

Aleksandroff, P. S. (1961). Elementary concepts of topology. Dover Publications.

Chicago Style (17th ed.) Citation

Aleksandroff, Paul Sergeevich. Elementary Concepts of Topology. New York: Dover Publications, 1961.

MLA (9th ed.) Citation

Aleksandroff, Paul Sergeevich. Elementary Concepts of Topology. Dover Publications, 1961.

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