ebrary, Inc. (1991). Colorado River ecology and dam management: Proceedings of a symposium, May 24-25, 1990, Santa Fe, New Mexico. National Academy Press.
芝加哥风格引文ebrary, Inc. Colorado River Ecology and Dam Management: Proceedings of a Symposium, May 24-25, 1990, Santa Fe, New Mexico. Washington, D.C.: National Academy Press, 1991.
MLA引文ebrary, Inc. Colorado River Ecology and Dam Management: Proceedings of a Symposium, May 24-25, 1990, Santa Fe, New Mexico. National Academy Press, 1991.
警告：这些引文格式不一定是100％准确.