APA (7th ed.) Citation

Hardiker, P., & Barker, M. (1981). Theories of practice in social work. Academic Press.

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

Hardiker, Pauline, and Mary Barker. Theories of Practice in Social Work. Academic Press, 1981.