Cita APA (7th ed.)

Worldwatch Institute, Gardner, G. T., Bright, C., & Starke, L. (1996). State of the world, 1996: A Worldwatch Institute report on progress toward a sustainable society. W.W. Norton & Co..

Cita Chicago (17th ed.)

Worldwatch Institute, Gary T. Gardner, Chris Bright, i Linda Starke. State of the World, 1996: A Worldwatch Institute Report on Progress Toward a Sustainable Society. New York: W.W. Norton & Co., 1996.

Cita MLA (8th ed.)

Worldwatch Institute, et al. State of the World, 1996: A Worldwatch Institute Report on Progress Toward a Sustainable Society. W.W. Norton & Co., 1996.