APA (7th ed.) Citation

Germain, C. B. (1979). Social work practice: People and environments, an ecological perspective. Columbia University Press.

Chicago Style (17th ed.) Citation

Germain, Carel B. Social Work Practice: People and Environments, an Ecological Perspective. New York: Columbia University Press, 1979.

MLA (9th ed.) Citation

Germain, Carel B. Social Work Practice: People and Environments, an Ecological Perspective. Columbia University Press, 1979.