Sowell, T. (1987). A conflict of visions (First Quill edition.). Quill.
Citación estilo ChicagoSowell, Thomas. A Conflict of Visions. First Quill edition. New York: Quill, 1987.
Cita MLASowell, Thomas. A Conflict of Visions. First Quill edition. Quill, 1987.
Warning: These citations may not always be 100% accurate.