APA (7th ed.) Citation

Aster, S. (1991). British foreign policy, 1918-1945: A guide to research and research materials (Revised edition.). Scholarly Resources.

Chicago Style (17th ed.) Citation

Aster, Sidney. British Foreign Policy, 1918-1945: A Guide to Research and Research Materials. Revised edition. Wilmington, Del.: Scholarly Resources, 1991.

MLA (8th ed.) Citation

Aster, Sidney. British Foreign Policy, 1918-1945: A Guide to Research and Research Materials. Revised edition. Scholarly Resources, 1991.