Raven, P. H. a. (2005). Biology (Seventh edition.). Mcgraw Hill Higher Education.
Cita Chicago Style (17a ed.)Raven, Peter H.[et. al]. Biology. Seventh edition. Boston: Mcgraw Hill Higher Education, 2005.
Cita MLA (9a ed.)Raven, Peter H.[et. al]. Biology. Seventh edition. Mcgraw Hill Higher Education, 2005.
Precaución: Estas citas no son 100% exactas.