APA (7th ed.) Citation

PLOWDEN, D. Bridges: The spans of North America. Norton Company.

Chicago Style (17th ed.) Citation

PLOWDEN, David. Bridges: The Spans of North America. Norton Company.

MLA (8th ed.) Citation

PLOWDEN, David. Bridges: The Spans of North America. Norton Company.

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