Citazione Stile APA (7a Edizione)

Freeman, H. (1962). Finite differences for actuarial students (2nd ed.). University Press.

Citazione stile Chigago Style (17a edizione)

Freeman, Harry. Finite Differences for Actuarial Students. 2nd ed. Cambridge: University Press, 1962.

Citatione MLA (9a ed.)

Freeman, Harry. Finite Differences for Actuarial Students. 2nd ed. University Press, 1962.