APA

Curley R., . (2011). New thinking about pollution. New York: Britannica Educational Publishing; Rosen Educational Services.

Chicago

Curley Robert, . 2011. New thinking about pollution. New York: Britannica Educational Publishing; Rosen Educational Services.

Harvard

Curley R., . (2011). New thinking about pollution. New York: Britannica Educational Publishing; Rosen Educational Services.

MLA

Curley Robert, . New thinking about pollution. New York: Britannica Educational Publishing; Rosen Educational Services. 2011.