Citazione Stile APA (7a Edizione)

HASTINGS, W. M. (1979). How to think about social problems: A primer for citizens. O.U.Pr.

Citazione stile Chigago Style (17a edizione)

HASTINGS, William M. How to Think About Social Problems: A Primer for Citizens. New York: O.U.Pr, 1979.

Citatione MLA (9a ed.)

HASTINGS, William M. How to Think About Social Problems: A Primer for Citizens. O.U.Pr, 1979.