Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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