Burgan, M., & Hammond, T. (2015). Who is Richard Branson? Grosset & Dunlap.
Cita Chicago Style (17a ed.)Burgan, Michael, y Ted Hammond. Who Is Richard Branson? New York: Grosset & Dunlap, 2015.
Cita MLA (8a ed.)Burgan, Michael, y Ted Hammond. Who Is Richard Branson? Grosset & Dunlap, 2015.
Precaución: Estas citas no son 100% exactas.