Smaller Foraminifera from the Porters Creek formation (Paleocene) of Illinois,
by Chalmer L. Cooper.

APA Citation

Cooper, C. L. (Chalmer Lewis). (1944). Smaller Foraminifera from the Porters Creek formation (Paleocene) of Illinois. Urbana, Illinois.

MLA Citation

Cooper, Chalmer L. (Chalmer Lewis), b. 1898. Smaller Foraminifera From the Porters Creek Formation (Paleocene) of Illinois. Urbana, Illinois, 1944.

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