Freeman, B. (2018). The voice inside (First edition.). Thomas & Mercer.
Cita Chicago Style (17a ed.)Freeman, Brian. The Voice Inside. First edition. Seattle: Thomas & Mercer, 2018.
Cita MLA (8a ed.)Freeman, Brian. The Voice Inside. First edition. Thomas & Mercer, 2018.
Precaución: Estas citas no son 100% exactas.