Cita APA (7th ed.)

Tang, H. (2000). Progress toward the unification of Europe. World Bank.

Cita Chicago (17th ed.)

Tang, Helena. Progress Toward the Unification of Europe. Washington, D.C: World Bank, 2000.

Cita MLA (9th ed.)

Tang, Helena. Progress Toward the Unification of Europe. World Bank, 2000.