Cita APA (7th ed.)

Steen, L. A., & Seebach, J. A. (1978). Counterexamples in topology (2a. ed.). Springer-Verlag.

Cita Chicago (17th ed.)

Steen, Lynn Arthur, i J. Arthur Seebach. Counterexamples in Topology. 2a. ed. Nueva York: Springer-Verlag, 1978.

Cita MLA (9th ed.)

Steen, Lynn Arthur, i J. Arthur Seebach. Counterexamples in Topology. 2a. ed. Springer-Verlag, 1978.