APA (7th ed.) Citation
ebrary, Inc. (1991). The U.S. National Plant Germplasm System. National Academy Press.
Chicago Style (17th ed.) Citation
ebrary, Inc. The U.S. National Plant Germplasm System. Washington, D.C.: National Academy Press, 1991.
MLA (9th ed.) Citation
ebrary, Inc. The U.S. National Plant Germplasm System. National Academy Press, 1991.
Warning: These citations may not always be 100% accurate.