Cita APA (7th ed.)

Valenzuela, A., & Valenzuela, J. S. (1976). Chile: Politics and society. Transaction Books.

Cita Chicago (17th ed.)

Valenzuela, Arturo, i Julio Samuel Valenzuela. Chile: Politics and Society. New Brunswick: Transaction Books, 1976.

Cita MLA (9th ed.)

Valenzuela, Arturo, i Julio Samuel Valenzuela. Chile: Politics and Society. Transaction Books, 1976.