Cita APA (7a ed.)
ebrary, Inc, Brown, J. M., Louis, W. R., & Low, A. M. (1999). The twentieth century. Oxford University Press.
Cita Chicago Style (17a ed.)
ebrary, Inc, Judith M. Brown, William Roger Louis, y Alaine M. Low. The Twentieth Century. Oxford: Oxford University Press, 1999.
Cita MLA (9a ed.)
ebrary, Inc, et al. The Twentieth Century. Oxford University Press, 1999.
Precaución: Estas citas no son 100% exactas.