Cita APA (7a ed.)

Engelking, R. (1989). General topology. Heldermann.

Cita Chicago Style (17a ed.)

Engelking, Ryszard. General Topology. Berlin: Heldermann, 1989.

Cita MLA (8a ed.)

Engelking, Ryszard. General Topology. Heldermann, 1989.