Cita APA

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

Citación estilo Chicago

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

Cita MLA

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