Cita APA (7th ed.)

Federico, R. C. (1990). Social welfare in today's world. McGraw-Hill.

Cita Chicago (17th ed.)

Federico, Ronald C. Social Welfare in Today's World. New York: McGraw-Hill, 1990.

Cita MLA (8th ed.)

Federico, Ronald C. Social Welfare in Today's World. McGraw-Hill, 1990.