Cita APA (7a ed.)

National Prison Association of the United States of America. (1971). Proceedings of the annual congress of the National Prison Association of the United States: Selected articles Police in America.

Cita Chicago Style (17a ed.)

National Prison Association of the United States of America. "Proceedings of the Annual Congress of the National Prison Association of the United States: Selected Articles." Police in America 1971.

Cita MLA (9a ed.)

National Prison Association of the United States of America. "Proceedings of the Annual Congress of the National Prison Association of the United States: Selected Articles." Police in America, 1971.