Cita APA (7a ed.)

Parlamento Europeo. Dirección General de Estudios. (1997). The European Parliament and the environment policy of the European Union. European Parliament.

Cita Chicago Style (17a ed.)

Parlamento Europeo. Dirección General de Estudios. The European Parliament and the Environment Policy of the European Union. Luxembourg: European Parliament, 1997.

Cita MLA (9a ed.)

Parlamento Europeo. Dirección General de Estudios. The European Parliament and the Environment Policy of the European Union. European Parliament, 1997.