Cita APA (7th ed.)

Porterfield, J. D. . e. Community health in the United States. U.S. Information Agency.

Cita Chicago (17th ed.)

Porterfield, John D ed. Community Health in the United States. Washington: U.S. Information Agency.

Cita MLA (9th ed.)

Porterfield, John D ed. Community Health in the United States. U.S. Information Agency.