Cita APA (7th ed.)

McDonough William. (2002). Cradle to Cradle (NA.). North Point Print.

Cita Chicago (17th ed.)

McDonough William. Cradle to Cradle. NA. New York: North Point Print, 2002.

Cita MLA (9th ed.)

McDonough William. Cradle to Cradle. NA. North Point Print, 2002.