APA (7th ed.) Citation

Howard, R. H. (1964). Niagaran reefs and oil accumulation in the DeWitt-McLean County area, Illinois.

Chicago Style (17th ed.) Citation

Howard, Richard H. Niagaran Reefs and Oil Accumulation in the DeWitt-McLean County Area, Illinois. Urbana, Ill, 1964.

MLA (9th ed.) Citation

Howard, Richard H. Niagaran Reefs and Oil Accumulation in the DeWitt-McLean County Area, Illinois. 1964.

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