Cita APA (7a ed.)
Skinner, T. (1968). Black and free. Zondervan Publishing House.
Cita Chicago Style (17a ed.)
Skinner, Tom. Black and Free. Michigan: Zondervan Publishing House, 1968.
Cita MLA (9a ed.)
Skinner, Tom. Black and Free. Zondervan Publishing House, 1968.
Precaución: Estas citas no son 100% exactas.