Fieldbook of Illinois wild flowers;
six hundred fifty of the more common flowering plants in the state.

APA Citation

Illinois. Natural History Survey Division. (1936). Fieldbook of Illinois wild flowers: six hundred fifty of the more common flowering plants in the state. Urbana.

MLA Citation

Illinois. Natural History Survey Division. Fieldbook of Illinois Wild Flowers: Six Hundred Fifty of the More Common Flowering Plants In the State. Urbana, 1936.

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