MLA

Brändén, Petter, et al. Notions of Positivity and the Geometry of Polynomials. Springer Basel, 2011.

APA

Brändén, P., Branden, P., Passare, M., & Putinar, M. (2011). Notions of Positivity and the Geometry of Polynomials. Springer Basel.

Chicago

Brändén, Petter, Petter Branden, Mikael Passare, and Mihai Putinar. Notions of Positivity and the Geometry of Polynomials. : Springer Basel, 2011.