APA

Clarke H. I., . (1940). Social legislation: American laws dealing with family, child, and dependent. New York: D. Appleton-Century Company, incorporated.

Chicago

Clarke Helen Isabel, . 1940. Social legislation: American laws dealing with family, child, and dependent. New York: D. Appleton-Century Company, incorporated.

Harvard

Clarke H. I., . (1940). Social legislation: American laws dealing with family, child, and dependent. New York: D. Appleton-Century Company, incorporated.

MLA

Clarke Helen Isabel, . Social legislation: American laws dealing with family, child, and dependent. New York: D. Appleton-Century Company, incorporated. 1940.