The Illinois River :
a lesson to be learned /
Michael R. Jeffords.

APA Citation

Jeffords, M. R., Illinois. Natural History Survey Division. (1989). The Illinois River: a lesson to be learned. Champaign, Ill.: Illinois Natural History Survey.

MLA Citation

Jeffords, Michael R, and Illinois. Natural History Survey Division. The Illinois River: a Lesson to Be Learned. Champaign, Ill.: Illinois Natural History Survey, 1989.

Warning: These citations may not always be complete (especially for serials).