Dokumentuaren aipamena

APA (7th ed.) Zitazioa
ebrary, Inc, Lauenroth, W. K., & Burke, I. C. (2008). Ecology of the shortgrass steppe: A long-term perspective. Oxford University Press.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, William K. Lauenroth, eta Ingrid C. Burke. Ecology of the Shortgrass Steppe: A Long-term Perspective. Oxford ; New York: Oxford University Press, 2008.
MLA (9th ed.) Zitazioa
ebrary, Inc, et al. Ecology of the Shortgrass Steppe: A Long-term Perspective. Oxford University Press, 2008.
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