Style de citation APA (7e éd.)
(1998). State of the world 1998: <a> Worldwatch Instite report on progress toward a sustainable society. W.W. Norton & Company.
Style de citation Chicago (17e éd.)
State of the World 1998: <a> Worldwatch Instite Report on Progress Toward a Sustainable Society. New York: W.W. Norton & Company, 1998.
Style de citation MLA (9e éd.)
State of the World 1998: <a> Worldwatch Instite Report on Progress Toward a Sustainable Society. W.W. Norton & Company, 1998.
Attention : ces citations peuvent ne pas être correctes à 100%.