APA

Brown Lester R,, . (1984). State of the World 1984 ; A World watch Institute Report on progress toward a sustainable society. New York: W.W.Norton co.

Chicago

Brown Lester R,, . 1984. State of the World 1984 ; A World watch Institute Report on progress toward a sustainable society. New York: W.W.Norton co.

Harvard

Brown Lester R,, . (1984). State of the World 1984 ; A World watch Institute Report on progress toward a sustainable society. New York: W.W.Norton co.

MLA

Brown Lester R,, . State of the World 1984 ; A World watch Institute Report on progress toward a sustainable society. New York: W.W.Norton co. 1984.