Cita APA

Crampton, R., & Crampton, B. (1997). Atlas of Eastern Europe in the twentieth century. Routledge.

Citación estilo Chicago

Crampton, R.J, y Ben Crampton. Atlas of Eastern Europe in the Twentieth Century. London: Routledge, 1997.

Cita MLA

Crampton, R.J, y Ben Crampton. Atlas of Eastern Europe in the Twentieth Century. Routledge, 1997.