MLA

Perna, Cira. Sibillo, Marilena, and Marilena Sibillo. Mathematical and Statistical Methods for Actuarial Sciences and Finance. Springer Milan, 2012.

APA

Perna, M., & Sibillo, M. (2012). Mathematical and Statistical Methods for Actuarial Sciences and Finance. Springer Milan.

Chicago

Perna, Cira. Sibillo, Marilena., and Marilena Sibillo. Mathematical and Statistical Methods for Actuarial Sciences and Finance. : Springer Milan, 2012.