APA (7th ed.) Citation

Johnson, W. H. (1964). Stratigraphy and petrography of Illinoian and Kansan drift in central Illinois. Illinois State Geological Survey.

Chicago Style (17th ed.) Citation

Johnson, W. Hilton. Stratigraphy and Petrography of Illinoian and Kansan Drift in Central Illinois. Urbana: Illinois State Geological Survey, 1964.

MLA (9th ed.) Citation

Johnson, W. Hilton. Stratigraphy and Petrography of Illinoian and Kansan Drift in Central Illinois. Illinois State Geological Survey, 1964.

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