Orkin, S., & Higgs, D. (2010). Medicine. Sickle cell disease at 100 years.
Cita Chicago Style (17a ed.)Orkin, S., y D. Higgs. Medicine. Sickle Cell Disease at 100 Years. 2010.
Cita MLA (9a ed.)Orkin, S., y D. Higgs. Medicine. Sickle Cell Disease at 100 Years. 2010.
Precaución: Estas citas no son 100% exactas.