Cita APA (7th ed.)
ebrary, Inc, & Karl, T. (1998). Toward an Earth Science Enterprise federation: Results from a workshop. National Academy Press.
Cita Chicago (17th ed.)
ebrary, Inc, i Thomas Karl. Toward an Earth Science Enterprise Federation: Results from a Workshop. Washington, D.C.: National Academy Press, 1998.
Cita MLA (9th ed.)
ebrary, Inc, i Thomas Karl. Toward an Earth Science Enterprise Federation: Results from a Workshop. National Academy Press, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.