Cita APA (7th ed.)
Desmond, K. (2008). Planet savers: 301 extraordinary environmentalists. Greenleaf Pub..
Cita Chicago (17th ed.)
Desmond, Kevin. Planet Savers: 301 Extraordinary Environmentalists. Sheffield, U.K.: Greenleaf Pub., 2008.
Cita MLA (9th ed.)
Desmond, Kevin. Planet Savers: 301 Extraordinary Environmentalists. Greenleaf Pub., 2008.
Atenció: Aquestes cites poden no estar 100% correctes.