APA

Siporin M., . (1975). Introduction to social work practice. New York: Macmillan.

Chicago

Siporin Max, . 1975. Introduction to social work practice. New York: Macmillan.

Harvard

Siporin M., . (1975). Introduction to social work practice. New York: Macmillan.

MLA

Siporin Max, . Introduction to social work practice. New York: Macmillan. 1975.