APA (7th ed.) Citation

Hartford, M. E. (1972). Groups in social work: Application of small group theory and research to social work practice. Columbia University Press.

Chicago Style (17th ed.) Citation

Hartford, Margaret E. Groups in Social Work: Application of Small Group Theory and Research to Social Work Practice. New York: Columbia University Press, 1972.

MLA (9th ed.) Citation

Hartford, Margaret E. Groups in Social Work: Application of Small Group Theory and Research to Social Work Practice. Columbia University Press, 1972.