APA (7th ed.) Citation

Ahr, S. W. (2005). Archeological survey for the proposed widening of the US 287 Ennis Bypass in Ellis County, Texas. Parsons Brinckerhoff Quade & Douglas.

Chicago Style (17th ed.) Citation

Ahr, Steven W. Archeological Survey for the Proposed Widening of the US 287 Ennis Bypass in Ellis County, Texas. Austin, Tex.: Parsons Brinckerhoff Quade & Douglas, 2005.

MLA (9th ed.) Citation

Ahr, Steven W. Archeological Survey for the Proposed Widening of the US 287 Ennis Bypass in Ellis County, Texas. Parsons Brinckerhoff Quade & Douglas, 2005.