Velen, O. (1960). The Foundations of differential geometry. Cambridge University Press.
Chicago Style (17th ed.) CitationVelen, Oswald. The Foundations of Differential Geometry. Cambridge: Cambridge University Press, 1960.
MLA (9th ed.) CitationVelen, Oswald. The Foundations of Differential Geometry. Cambridge University Press, 1960.
Warning: These citations may not always be 100% accurate.