APA (7th ed.) Citation

Porteous, I. R. (1981). Topological geometry (2nd ed.). Cambridge University Press.

Chicago Style (17th ed.) Citation

Porteous, Ian Robertson. Topological Geometry. 2nd ed. Cambridge [etc.]: Cambridge University Press, 1981.

MLA (9th ed.) Citation

Porteous, Ian Robertson. Topological Geometry. 2nd ed. Cambridge University Press, 1981.