Cita APA (7a ed.)

Freeman, H. M. (1995). Cleaner technologies and cleaner products for sustainable development. Springer-Verlag.

Cita Chicago Style (17a ed.)

Freeman, Harry M. Cleaner Technologies and Cleaner Products for Sustainable Development. New York: Springer-Verlag, 1995.

Cita MLA (9a ed.)

Freeman, Harry M. Cleaner Technologies and Cleaner Products for Sustainable Development. Springer-Verlag, 1995.