Cita APA (7a ed.)
Brown, L. R., & Starke, L. (1992). State of the World 1992: A Worldwatch Institute Report on Progress Toward a Sustainable Society.
Cita estilo Chicago (17a ed.)
Brown, Lester R., y Linda Starke. State of the World 1992: A Worldwatch Institute Report on Progress Toward a Sustainable Society. 1992.
Cita MLA (9a ed.)
Brown, Lester R., y Linda Starke. State of the World 1992: A Worldwatch Institute Report on Progress Toward a Sustainable Society. 1992.
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