APA (7th ed.) Citation

Engelking, R. (1989). General Topology (Rev. and compLETED ED.). Heldermann Verlag.

Chicago Style (17th ed.) Citation

Engelking, Ryszard. General Topology. Rev. and compLETED ED. Berlin: Heldermann Verlag, 1989.

MLA (9th ed.) Citation

Engelking, Ryszard. General Topology. Rev. and compLETED ED. Heldermann Verlag, 1989.