Citazione Stile APA (7a Edizione)

(1947). Determination of all classes of positive quartenary quadratic forms which represent all (positive) integers / by Margaret F. Willerding.

Citazione stile Chigago Style (17a edizione)

Determination of All Classes of Positive Quartenary Quadratic Forms Which Represent All (positive) Integers / by Margaret F. Willerding. 1947.

Citatione MLA (9a ed.)

Determination of All Classes of Positive Quartenary Quadratic Forms Which Represent All (positive) Integers / by Margaret F. Willerding. 1947.