Cita APA (7a ed.)

Organización de Cooperación y Desarrollo Económico & OECD International Conference on the Economic, Social Environmental Problems of Cities. (1994). Cities for the 21st century. Organisation for Economic Co-Operation and Development.

Cita Chicago Style (17a ed.)

Organización de Cooperación y Desarrollo Económico y Social Environmental Problems of Cities OECD International Conference on the Economic. Cities for the 21st Century. Paris: Organisation for Economic Co-Operation and Development, 1994.

Cita MLA (9a ed.)

Organización de Cooperación y Desarrollo Económico y Social Environmental Problems of Cities OECD International Conference on the Economic. Cities for the 21st Century. Organisation for Economic Co-Operation and Development, 1994.