APA

Smith R. E., Zietz D., . (1970). American social welfare institutions. New York: Wiley.

Chicago

Smith Russell Eugene, Zietz Dorothy, . 1970. American social welfare institutions. New York: Wiley.

Harvard

Smith R. E., Zietz D., . (1970). American social welfare institutions. New York: Wiley.

MLA

Smith Russell Eugene, Zietz Dorothy, . American social welfare institutions. New York: Wiley. 1970.