APA (7th ed.) Citation

Dressman, R. C. (1980). Bridge Builders to Ancient Civilizations.

Chicago Style (17th ed.) Citation

Dressman, R. C. Bridge Builders to Ancient Civilizations. 1980.

MLA (8th ed.) Citation

Dressman, R. C. Bridge Builders to Ancient Civilizations. 1980.

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