Citazione Stile APA (7a Edizione)
Brown, L. R., & Starke, L. State of the World 1999: A Worldwatch Institute Report on Progress Toward a Sustainable Society. Norton : Worldwatch Institute.
Citazione stile Chigago Style (17a edizione)
Brown, Lester R., e Linda Starke. State of the World 1999: A Worldwatch Institute Report on Progress Toward a Sustainable Society. Nueva York, EUA: Norton : Worldwatch Institute.
Citatione MLA (9a ed.)
Brown, Lester R., e Linda Starke. State of the World 1999: A Worldwatch Institute Report on Progress Toward a Sustainable Society. Norton : Worldwatch Institute.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.