APA

Gillin J. L., . (1943). Social problemas. New York: D. Appeton-Century Campany.

Chicago

Gillin John Lewis, . 1943. Social problemas. New York: D. Appeton-Century Campany.

Harvard

Gillin J. L., . (1943). Social problemas. New York: D. Appeton-Century Campany.

MLA

Gillin John Lewis, . Social problemas. New York: D. Appeton-Century Campany. 1943.