APA (7th ed.) Citation

Singer, I. (1970). Best approximation in normed linear spaces by elements of linear subspaces. Springer-Verlag.

Chicago Style (17th ed.) Citation

Singer, Ivan. Best Approximation in Normed Linear Spaces by Elements of Linear Subspaces. Berlin, New York: Springer-Verlag, 1970.

MLA (9th ed.) Citation

Singer, Ivan. Best Approximation in Normed Linear Spaces by Elements of Linear Subspaces. Springer-Verlag, 1970.