Cita APA (7a ed.)
United States. Committee on Improving the Science and Technology Programs of the National Park Service & ebrary, Inc. (1992). Science and the national parks. National Academy Press.
Cita Chicago Style (17a ed.)
United States. Committee on Improving the Science and Technology Programs of the National Park Service y Inc ebrary. Science and the National Parks. Washington, D.C.: National Academy Press, 1992.
Cita MLA (9a ed.)
United States. Committee on Improving the Science and Technology Programs of the National Park Service y Inc ebrary. Science and the National Parks. National Academy Press, 1992.
Precaución: Estas citas no son 100% exactas.