Citazione Stile APA (7a Edizione)

Bellman, R. E. (1953). Stability theory of differential equations. McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

Bellman, Richard Ernest. Stability Theory of Differential Equations. New York: McGraw-Hill, 1953.

Citatione MLA (8a ed.)

Bellman, Richard Ernest. Stability Theory of Differential Equations. McGraw-Hill, 1953.