APA (7th ed.) Citation

Roop, P., & Roop, C. (2007). River roads west: America's first highways. Calkins Creek.

Chicago Style (17th ed.) Citation

Roop, Peter, and Connie Roop. River Roads West: America's First Highways. Honesdale, Pa.: Calkins Creek, 2007.

MLA (8th ed.) Citation

Roop, Peter, and Connie Roop. River Roads West: America's First Highways. Calkins Creek, 2007.

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