Cita APA (7a ed.)
Butterfield, S. AMWAY: The Cult of Free Enterprise. South End Press.
Cita estilo Chicago (17a ed.)
Butterfield, Stephen. AMWAY: The Cult of Free Enterprise. Boston, EUA: South End Press.
Cita MLA (9a ed.)
Butterfield, Stephen. AMWAY: The Cult of Free Enterprise. South End Press.
Precaución: Estas citas no son 100% exactas.