APA

Germain C. B., Gitterman A., . (1980). The life model of social work practice. New York: Columbia University Press.

Chicago

Germain Carel B, Gitterman Alex, . 1980. The life model of social work practice. New York: Columbia University Press.

Harvard

Germain C. B., Gitterman A., . (1980). The life model of social work practice. New York: Columbia University Press.

MLA

Germain Carel B, Gitterman Alex, . The life model of social work practice. New York: Columbia University Press. 1980.