APA

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

Chicago

Alò Richard A, Shapiro Harvey L and Cambridge University Press. 1974. Normal topological spaces. Cambridge: Cambridge University Press.

Harvard

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

MLA

Alò Richard A, Shapiro Harvey L and Cambridge University Press. Normal topological spaces. Cambridge: Cambridge University Press. 1974.