APA

Fitzpatrick J. P., . (1961). Modern social problems: readings. New York: Fordham Sociological Research Laboratory.

Chicago

Fitzpatrick Joseph P, . 1961. Modern social problems: readings. New York: Fordham Sociological Research Laboratory.

Harvard

Fitzpatrick J. P., . (1961). Modern social problems: readings. New York: Fordham Sociological Research Laboratory.

MLA

Fitzpatrick Joseph P, . Modern social problems: readings. New York: Fordham Sociological Research Laboratory. 1961.