Cita APA (7th ed.)

Sowell, T. (1987). A conflict of visions (First Quill edition.). Quill.

Cita Chicago (17th ed.)

Sowell, Thomas. A Conflict of Visions. First Quill edition. New York: Quill, 1987.

Cita MLA (8th ed.)

Sowell, Thomas. A Conflict of Visions. First Quill edition. Quill, 1987.