Citazione Stile APA (7a Edizione)

Marshall, M. (2008). Positive polynomials and sums of squares. American Mathematical Society.

Citazione stile Chigago Style (17a edizione)

Marshall, Murray. Positive Polynomials and Sums of Squares. Providence, R.I.: American Mathematical Society, 2008.

Citatione MLA (9a ed.)

Marshall, Murray. Positive Polynomials and Sums of Squares. American Mathematical Society, 2008.