APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Crampton, Richard, and Ben Crampton. Atlas of Eastern Europe in the Twentieth Century. London [etc.]: Routledge, 1997.

MLA (9th ed.) Citation

Crampton, Richard, and Ben Crampton. Atlas of Eastern Europe in the Twentieth Century. Routledge, 1997.