Cita APA (7a ed.)
Harf, J. E., & Lombardi, M. O. Taking Sides: Chashing Views on Controversial: Global Issues. McGraw-Hill.
Cita estilo Chicago (17a ed.)
Harf, James E., y Mark Owen Lombardi. Taking Sides: Chashing Views on Controversial: Global Issues. Guilford, EUA: McGraw-Hill.
Cita MLA (9a ed.)
Harf, James E., y Mark Owen Lombardi. Taking Sides: Chashing Views on Controversial: Global Issues. McGraw-Hill.
Precaución: Estas citas no son 100% exactas.