Cita APA

Alò, R. A., & Shapiro, H. L. (1974). Normal topological spaces. Cambridge University Press.

Citación estilo Chicago

Alò, Richard A., and Harvey L. Shapiro. Normal Topological Spaces. London: Cambridge University Press, 1974.

Cita MLA

Alò, Richard A., and Harvey L. Shapiro. Normal Topological Spaces. London: Cambridge University Press, 1974.