MLA

Anastassiou, George A. Approximation by Multivariate Singular Integrals. Springer New York, 2011.

APA

Anastassiou, G. A. (2011). Approximation by Multivariate Singular Integrals. Springer New York.

Chicago

Anastassiou, George A. Approximation by Multivariate Singular Integrals. : Springer New York, 2011.