Cita APA (7a ed.)

Leonard, R. L. (1998). The Economist guide to the European Union ([6th ed.].). Economist : Profile Books.

Cita Chicago Style (17a ed.)

Leonard, R. L. The Economist Guide to the European Union. [6th ed.]. London: Economist : Profile Books, 1998.

Cita MLA (9a ed.)

Leonard, R. L. The Economist Guide to the European Union. [6th ed.]. Economist : Profile Books, 1998.