APA (7th ed.) Zitazioa

Armstrong, M. (1983). Basic topology. Springer-Verlag.

Chicago Style (17th ed.) Zitazioa

Armstrong, M.A. Basic Topology. New York: Springer-Verlag, 1983.

MLA (9th ed.) Zitazioa

Armstrong, M.A. Basic Topology. Springer-Verlag, 1983.