Cita APA (7a ed.)

Madden, R. G. (2003). Essential law for social workers. Columbia University Press.

Cita Chicago Style (17a ed.)

Madden, Robert G. Essential Law for Social Workers. New York ; Chichester: Columbia University Press, 2003.

Cita MLA (8a ed.)

Madden, Robert G. Essential Law for Social Workers. Columbia University Press, 2003.