Cita APA (7a ed.)

Aster, S. (1991). British foreing policy, 1918-1945: A guide to research and research materials (Rev. ed.). Scholarly Resources.

Cita Chicago Style (17a ed.)

Aster, Sidney. British Foreing Policy, 1918-1945: A Guide to Research and Research Materials. Rev. ed. Wilmington: Scholarly Resources, 1991.

Cita MLA (9a ed.)

Aster, Sidney. British Foreing Policy, 1918-1945: A Guide to Research and Research Materials. Rev. ed. Scholarly Resources, 1991.