APA

Hardiker Pauline, . (1981). Theories of Practice in Social Work. New York, London: Academic Press.

Chicago

Hardiker Pauline, . 1981. Theories of Practice in Social Work. New York, London: Academic Press.

Harvard

Hardiker Pauline, . (1981). Theories of Practice in Social Work. New York, London: Academic Press.

MLA

Hardiker Pauline, . Theories of Practice in Social Work. New York, London: Academic Press. 1981.