APA (7th ed.) Citation

Ahr, S. W. (2004). Archeological survey of the proposed State Highway 31 relief route Navarro County, Texas. Parsons Brinckerhoff Quade & Douglas, Inc..

Chicago Style (17th ed.) Citation

Ahr, Steven W. Archeological Survey of the Proposed State Highway 31 Relief Route Navarro County, Texas. Austin, TX: Parsons Brinckerhoff Quade & Douglas, Inc., 2004.

MLA (9th ed.) Citation

Ahr, Steven W. Archeological Survey of the Proposed State Highway 31 Relief Route Navarro County, Texas. Parsons Brinckerhoff Quade & Douglas, Inc., 2004.