APA

Youngdahl B. E., . (1966). Social action and social work. New York: Association Press.

Chicago

Youngdahl Benjamin E, . 1966. Social action and social work. New York: Association Press.

Harvard

Youngdahl B. E., . (1966). Social action and social work. New York: Association Press.

MLA

Youngdahl Benjamin E, . Social action and social work. New York: Association Press. 1966.