APA (7th ed.) Citation

ScienceDirect (Online service). Topology. Pergamon Press.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service). Topology. Oxford ; New York: Pergamon Press.

MLA (8th ed.) Citation

ScienceDirect (Online service). Topology. Pergamon Press.

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