Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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