APA (7th ed.) Citation

Aleksandrov, P. S., Hilbert, D., & Farley, A. E. (1961). Elementary concepts of topology. Dover Publications, Inc.

Chicago Style (17th ed.) Citation

Aleksandrov, Pavel S., David Hilbert, and Alan E. Farley. Elementary Concepts of Topology. New York, New York: Dover Publications, Inc, 1961.

MLA (9th ed.) Citation

Aleksandrov, Pavel S., et al. Elementary Concepts of Topology. Dover Publications, Inc, 1961.