Não informado. (2000). Transactions of the Illinois State Academy of Science. Illinois State Academy of Science.
Chicago-Zitierstil (17. Ausg.)Não informado. Transactions of the Illinois State Academy of Science. Springfield, Ill: Illinois State Academy of Science, 2000.
MLA-Zitierstil (8. Ausg.)Não informado. Transactions of the Illinois State Academy of Science. Illinois State Academy of Science, 2000.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.