Style de citation APA (7e éd.)
Worldwatch Institute, Lester R. Brown, Edward C. Wolf, & Linda Starke. (1987). State of the world, 1987: A Worldwatch Institute report on progress toward a sustainable society. Norton.
Style de citation Chicago (17e éd.)
Worldwatch Institute, Lester R. Brown, Edward C. Wolf, et Linda Starke. State of the World, 1987: A Worldwatch Institute Report on Progress Toward a Sustainable Society. New York: Norton, 1987.
Style de citation MLA (9e éd.)
Worldwatch Institute, et al. State of the World, 1987: A Worldwatch Institute Report on Progress Toward a Sustainable Society. Norton, 1987.
Attention : ces citations peuvent ne pas être correctes à 100%.