Cita APA

Engelking, R. (1989). General topology (Revised and complete ed.). Berlin: Heldermann Verlag.

Chicago Style Citation

Engelking, Ryszard. General Topology. Revised and complete ed. Berlin: Heldermann Verlag, 1989.

Cita MLA

Engelking, Ryszard. General Topology. Revised and complete ed. Berlin: Heldermann Verlag, 1989.

Atenció: Aquestes cites poden no estar 100% correctes.