APA (7th ed.) Citation

Não informado. (2008). Illinois Natural History Survey Bulletin. Illinois Natural History Survey.

Chicago Style (17th ed.) Citation

Não informado. Illinois Natural History Survey Bulletin. Champaign, Ill: Illinois Natural History Survey, 2008.

MLA (8th ed.) Citation

Não informado. Illinois Natural History Survey Bulletin. Illinois Natural History Survey, 2008.

Warning: These citations may not always be 100% accurate.