APA (7th ed.) Citation

McGinnis, L. D. (1963). Relationship of gravity anomalies to a drift-filled bedrock valley system in northern Illinois. Illinois State Geological Survey.

Chicago Style (17th ed.) Citation

McGinnis, Lyle David. Relationship of Gravity Anomalies to a Drift-filled Bedrock Valley System in Northern Illinois. Urbana: Illinois State Geological Survey, 1963.

MLA (9th ed.) Citation

McGinnis, Lyle David. Relationship of Gravity Anomalies to a Drift-filled Bedrock Valley System in Northern Illinois. Illinois State Geological Survey, 1963.