Cita APA (7a ed.)
Mastny, L. Vital Signs 2005: The Trends That Are Shaping Our Future. Norton : Worldwatch Institute.
Cita estilo Chicago (17a ed.)
Mastny, Lisa. Vital Signs 2005: The Trends That Are Shaping Our Future. Nueva York, EUA: Norton : Worldwatch Institute.
Cita MLA (9a ed.)
Mastny, Lisa. Vital Signs 2005: The Trends That Are Shaping Our Future. Norton : Worldwatch Institute.
Precaución: Estas citas no son 100% exactas.