APA-viite (7. p.)
ebrary, Inc. (1997). National Academy of Sciences colloquium: Carbon dioxide and climate change. The Academy.
Chicago-viite (17. p.)
ebrary, Inc. National Academy of Sciences Colloquium: Carbon Dioxide and Climate Change. Washington, DC: The Academy, 1997.
MLA-viite (9. p.)
ebrary, Inc. National Academy of Sciences Colloquium: Carbon Dioxide and Climate Change. The Academy, 1997.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.