Cita APA (7a ed.)
ebrary, Inc, Hedges, S. B., & Kumar, S. (2009). The timetree of life. Oxford University Press.
Cita Chicago Style (17a ed.)
ebrary, Inc, S. Blair Hedges, y Sudhir Kumar. The Timetree of Life. Oxford ; New York: Oxford University Press, 2009.
Cita MLA (9a ed.)
ebrary, Inc, et al. The Timetree of Life. Oxford University Press, 2009.
Precaución: Estas citas no son 100% exactas.