Cita APA (7a ed.)
Brown, L. R. (1978). The twenty-ninth day: Accomodating human needs and numbers to the earts resources. Worldwatch Institute.
Cita estilo Chicago (17a ed.)
Brown, Lester R. The Twenty-ninth Day: Accomodating Human Needs and Numbers to the Earts Resources. Nueva York, EUA: Worldwatch Institute, 1978.
Cita MLA (9a ed.)
Brown, Lester R. The Twenty-ninth Day: Accomodating Human Needs and Numbers to the Earts Resources. Worldwatch Institute, 1978.
Precaución: Estas citas no son 100% exactas.