Cita APA (7th ed.)
ebrary, Inc. (1997). National Academy of Sciences colloquium: Carbon dioxide and climate change. The Academy.
Cita Chicago (17th ed.)
ebrary, Inc. National Academy of Sciences Colloquium: Carbon Dioxide and Climate Change. Washington, DC: The Academy, 1997.
Cita MLA (9th ed.)
ebrary, Inc. National Academy of Sciences Colloquium: Carbon Dioxide and Climate Change. The Academy, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.