Cita APA

Best, A., & Best, A. . .. (2004). International history of the twentieth century. Routledge.

Citación estilo Chicago

Best, Antony, and Antony Best. International History of the Twentieth Century. London: Routledge, 2004.

Cita MLA

Best, Antony, and Antony Best. International History of the Twentieth Century. Routledge, 2004.