APA-referens (7:e uppl.)
Colloquium on Plants and Population: Is There Time? Irvine, Calif, ebrary, Inc, Cohen, J. E., & Fedoroff, N. V. (1999). Colloquium on Plants and Population: Is There Time? National Academy of Sciences.
Chicago-referens (17:e uppl.)
Colloquium on Plants and Population: Is There Time? Irvine, Calif, Inc ebrary, Joel E. Cohen, och Nina V. Fedoroff. Colloquium on Plants and Population: Is There Time? Washington, D.C.: National Academy of Sciences, 1999.
MLA-referens (9:e uppl.)
Colloquium on Plants and Population: Is There Time? Irvine, Calif, et al. Colloquium on Plants and Population: Is There Time? National Academy of Sciences, 1999.
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